M42club.com - Home of the BMW E30/E36 318i/iS
DISCUSSION => General Topics => Topic started by: swiss318is on January 31, 2008, 04:06:11 AM
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after nearly 1 month of waiting i found the time this morning to take some pictures of the engine and the car....
take a seat and fasten your seatbelts the pictures of the car will blow your head off ;-)
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The engine compartment...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00106.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00107.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00110.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00111.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00112.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00113.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00114.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00115.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00116-1.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00117.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00118.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00119.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00120.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00123.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00188.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00189.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00190.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00191.jpg)
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The suspension rear and front...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00104.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00105.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00124.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00125.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00126.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00127.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00137.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00186.jpg)
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The interieur and the rollcage of the car....
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00121.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00128.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00129.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00130.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00131.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00132.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00133.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00134.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00135.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00136.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00138.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00139.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00140.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00144.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00145.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00146.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00147.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00148.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00149.jpg)
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00150.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00151.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00152.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00153.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00154.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00155.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00158.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00159.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00160.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00161.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00162.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00163.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00164.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00165.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00166.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00167.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00168.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00169.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00170.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00171.jpg)
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00172.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00173.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00174.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00175.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00176.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00177.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00178.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00179.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00180.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00181.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00182.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00183.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00187.jpg)
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The exterieur of the car...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00142.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00141.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00143.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00184.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00185.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00192.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00193.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00194.jpg)
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Well done! Very interesting car :)
Now, if one could only get some pics of the internal engine components :rolleyes: :p :(
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for the next two weeks the car will be in another garage for some engine checks, valves, timing etc.! i will ask if i can go there and take some pics when the engine is open... and when the car is lift up i can also take some pics from the suspension
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nice car!! so many carbon fiber parts!!!
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Excellent pics. Thank you! The attention to detail is amazing.
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for the next two weeks the car will be in another garage for some engine checks, valves, timing etc.! i will ask if i can go there and take some pics when the engine is open... and when the car is lift up i can also take some pics from the suspension
Please do!! :) That would be VERY interesting to see just how special the engine really is ;) :)
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Show us pictures of you racing this Ulrich Motorsport racecar. Video would be cool! I assume you are the P. Ulrich? :)
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I've always wanted to see such pictures... Amazing...
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(http://www.m42club.com/forums/images/smilies/eek.gif) Wow, this is a work of art! I love it!
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00162.jpg)
Gotta get me some of them hi-tech door handles! Seriously, it's an absolutely beautiful car. Only thing missing is engine plates tying in the motor as a stressed member and triangulation in the front bay in plan view. It really strengthens the structure forward of the firewall. Driver position is pretty far forward but it may be due to the rules.
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WOW!!!:cool:
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Nice photos! Airbox photos were especially useful for me.
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Show us pictures of you racing this Ulrich Motorsport racecar. Video would be cool! I assume you are the P. Ulrich? :)
i am very sorry but i am not ulrich and NO i am not winkelhock too! i dont have any videos, but the owner told me... the car goes like hell!!!!!
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Gotta get me some of them hi-tech door handles! Seriously, it's an absolutely beautiful car. Only thing missing is engine plates tying in the motor as a stressed member and triangulation in the front bay in plan view. It really strengthens the structure forward of the firewall. Driver position is pretty far forward but it may be due to the rules.
the door handles are now available for only 99$, a special and sick bmw-motorsport part...!! send me an email... ;-)
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Years ago my brother and I had Triumph TR3. It was the only car I ever saw that could break down sitting still. It had a cable that you pushed down to open the door. You can see it in the pocket of the door trim.
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i especially like this picture of the car... they pay so much attention to detail, just amazing
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00112.jpg)
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for a video of an 320i stw, go to..: http://www.youtube.com/watch?v=eSJ-HzNWJGM
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Hey Swiss, you are the man! Thanks for the pictures. Amazing stuff. The foot box photos gave me some good ideas for mine. Do you remember if they were using bolts or rivots to mount the foot box?
I'm itching to see details of the suspension pieces, especially the rear.
So what's the story Swiss? How'd you get access to the car? Do you work for a BMW race team? I saw your reflecton in one of the pics...BMW-Sauber??? :D
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I wouldn't mind a day at the ring or spa with that car. :D
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...Do you remember if they were using bolts or rivots to mount the foot box?
So what's the story Swiss? How'd you get access to the car? Do you work for a BMW race team? I saw your reflecton in one of the pics...BMW-Sauber??? :D
NR1: stainless steel bolts, you can remove the carbon cover and the you have access to the brake and clutch cylinders and the lines.
NR2: unfortunately i dont work for bmw i any way..
NR3: short story: one day i was looking for an ac-schnitzer carbon interieur piece for my e46 dashboard i am fitting into my other e30 318is, see: a swiss 318is (buildups, swaps etc). so i walked in and there she was. i asked the receptionist if i can open the engine hood..!! because i know that the e36 have the s42 engine inside!!
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some bad news my friends! the service on the s42 engine is already done! no pics from the inside of the engine... :-(
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some bad news my friends! the service on the s42 engine is already done! no pics from the inside of the engine... :-(
:(
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i think theres another possibility... ;-) give my a couple of days...
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Please do!! :) That would be VERY interesting to see just how special the engine really is ;) :)
good news for you and the rest of the community!!!i have got pics of engine parts, cylinder head, etc...!comming soon, when i have my camera back. hope next week!!
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Mother of God! Beautiful car...
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good news for you and the rest of the community!!!i have got pics of engine parts, cylinder head, etc...!comming soon, when i have my camera back. hope next week!!
swiss318is for president :D
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What about chain tensioner? :rolleyes:
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What about chain tensioner? :rolleyes:
well, the chain tensioner is from a s14 engine..!and located 100km away..but i will do what i can..!as usually my friends :)
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Wow, that car is super impressive!!! Thanks so much for the pics, really enjoyed them. I would be interested to know the displacement, redline, and power output of that engine!
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yes. amazing. thank you for pictures of the ever elusive unicorn motor.
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S42B20 (Version: 08/1995):
* Stroke = 85mm
* Bore = 86.5mm
* Compression ratio = 12.4:1
* Total displacement = 1.997ccm
* Rod length = 145mm
* Inlet cam = 312 degrees (spread: 94) (Eö=40, Es=48 (@ 2mm lift) )
* Exhaust cam = 304 degrees (spread: 98) (Aö=45, As=28 (@ 2mm lift) )
* Inlet Valve diameter = 35mm
* Exhaust valve diameter = 32mm
* Inlet port metrics: W=52mm, H=29.7, Radius=14.85mm
* Slide throttle diameter = 46mm
* Header = 4-2
* ECU = ECU4A.1
* Power DIN 70020 = 285PS / 207kw @ 8300rpm
* Torque DIN 70020 = 245Nm @ 7000rpm
* Max rpm = 8500rpm (FIA regulation "SuperTouring")
* Gasoline quality = Super Plus (Oktan min. ROZ 98)
thanks to cecotto.. "any body have have info on the S42 race engines "
on myself i dont know more about the engine..
-the lifters are squared, not round... pics will follow
-drysump
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Wow those are impressive numbers. For other yanks, that's 278HP and 180ft-lb.
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Wow those are impressive numbers. For other yanks, that's 278HP and 180ft-lb.
....out of an inline 4, natural aspirated 2liter engine :D
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Got your camera back yet? :)
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yes... i know..the pics of the s42 cylinderhead... i am toooooo busy at the moment, so i forgot it...!!sorry.. i promise i take the pics as fast as i can..
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Swiss, i think we all owe you a drink for all the work youve done.
Honestly, you have posted more photos of the s42 in this one thread than i have found on the internet in the past year!
Pictures of the engine parts would be amazing, and really help the entire community with the development of the m42/44.
Just a quick observation,
The cam cover doesnt seem to have any breather tube. This would suggest that the dry sump pump creates a vacuum in the crank case, which allows you to run without a breather.
Swiss- is that blue tank, in the top left corner of the engine bay, the dry sump oil tank? it seems awfully small?....unless it is somewhere else in the car that i cant see lol
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Swiss, i think we all owe you a drink for all the work youve done.
Honestly, you have posted more photos of the s42 in this one thread than i have found on the internet in the past year!
i know!!!since i know that a s42 engine exists i found about 5 pics in the internet and now i have a looooooooooot more :-) thanks for the beer... where do you live... :-)
Pictures of the engine parts would be amazing, and really help the entire community with the development of the m42/44.
i didnt yet found the time to go and take pics of the spare engine parts...
Just a quick observation,
The cam cover doesnt seem to have any breather tube. This would suggest that the dry sump pump creates a vacuum in the crank case, which allows you to run without a breather.!
i have no idea...?!?!
Swiss- is that blue tank, in the top left corner of the engine bay, the dry sump oil tank? it seems awfully small?....unless it is somewhere else in the car that i cant see lol
its the expand tank of the radiator...
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Just a quick observation,
The cam cover doesnt seem to have any breather tube. This would suggest that the dry sump pump creates a vacuum in the crank case, which allows you to run without a breather.
Yes this is correct.
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we should get some pictures of that valve train you keep talkin bout:)
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i know!!!since i know that a s42 engine exists i found about 5 pics in the internet and now i have a looooooooooot more :-) thanks for the beer... where do you live... :-)
I live in Ireland, where are you from?....only joking, you make it very obvious:D
Whenever you get a chance to take photos of the engine parts it would be brilliant, but theres no huge rush.
Question: would it be possible for you to bring a ruler along with you when your taking pictures? and place it beside the parts when your taking the photos?
That way we would be able to get a rough idea of the sizing of some of the parts...obviously it wouldnt be very accurate but it might give us a rough idea.
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Okay, i think i have spotted the Dry sump tank. It is located behind the drivers side headlight, just to the right of the intake snorkel.
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00117.jpg)
You can see the the tank in the bottom right corner of this picture.
The hose with the Aeroquip fitting going into the tank is the input hose. The oil then goes into the tank and is sucked out the bottom by the second stage of the pump.
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00190.jpg)
You can see in the bottom right of this picture the material sticking out the top of the filler neck. This material is used to seperate out any air from the oil (it is generally used in catch cans), it also acts as a dampening material for the tank.
Not that anyone asked the question but im just thinking out loud, trying to analyze the pictures :)
Bttw Swiss, the adjustable blade antiroll bars are incredible, and the fact that they can be adjusted from the drivers seat just astounds me!
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i am not sur if thats really the main catch tank, it seems a bit too small for me. usually there are build for 5-6liters of oil. it could be that this is the first tank, then there is somewhere an other one.
like the fuel system.
the big fueltank-pump-catchtank-pump-engine
oilsystem (perhaps!!)
oilpan-pump-small tank-(pump)-big tank-engine...
the next time i will ask and then take a pic..
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I was thinking that it might extend underneath that panel but that might place it very close to the ground and also in a very dangerous position in the case of an accident.
Oil all over the track=not very good.
The tank i pointed out might just be a catch can for the main oil tank. Almost like an atmospheric breather (hense the material inside).
The only other places that it could be are under the airbox or in the boot where the battery originally goes.
Infact the battery box seems to make sense as there are some AN lines running towards that area of the boot in your pictures of the rear anti-roll bars...and also placing it there would be better for weight distribution.
And if i remember correctly, the FIA rules about dry sump tanks state that they have to be in a seperate compartment to the driver or else surrounded by an enclosure....hmmm
If you wouldnt mind asking the next time that would be cool :)
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i am on the way to the s42 to take pics again ... ;-) i am sooooo horny....!!!
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do not forget chain tensioner :P
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do not forget chain tensioner :P
the chain tensioner is on a s14 dtm engine.... not on this s42.. sorry
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this S42 with stock tensioner?
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...just put down the latest playboy to look at these pics. WOW!
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I was thinking that it might extend underneath that panel but that might place it very close to the ground and also in a very dangerous position in the case of an accident.
Oil all over the track=not very good.
The tank i pointed out might just be a catch can for the main oil tank. Almost like an atmospheric breather (hense the material inside).
The only other places that it could be are under the airbox or in the boot where the battery originally goes.
Infact the battery box seems to make sense as there are some AN lines running towards that area of the boot in your pictures of the rear anti-roll bars...and also placing it there would be better for weight distribution.
And if i remember correctly, the FIA rules about dry sump tanks state that they have to be in a seperate compartment to the driver or else surrounded by an enclosure....hmmm
If you wouldnt mind asking the next time that would be cool :)
the small tank is for ventilation only.. the main drysump tank is near the gearbox..
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one of the damaged head for the s42
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00861.jpg)
it only seems to be almost the same as the m42 but this one is MUUUUCH MORE LIGHTER !!!!!
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00852.jpg)
thats the reason why the head is useless at the moment, its freshly welded...
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00853.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00856.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00854.jpg)
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intake...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00857.jpg)
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outlet...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00858.jpg)
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valve guides...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00863.jpg)
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the inside of the engineblock is polished...
(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00860.jpg)
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00859.jpg)
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we didnt find the cams, the camcarriers, the hydros and the valves... so i have to go once again... ;-)
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You da man!!! :eek:
Do you know if this cylinder head is as prepared by BMW Motorsport or has it been reconditioned earlier? It seems that one cylinder has somekind of insert on inside of valve guides while they are missing on others. On same cylinder the valve guides do not perfectly fit intake port shape.
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(http://i244.photobucket.com/albums/gg19/swiss318is/DSC00852.jpg)
on the right one the head was broken and rewelded, so thats the reason why the two valve seats are missing...
the head was originally prepared by bmw motorsports... but then redone a couple of times...
i have no idea why the guides doesnt fit perfectly in the head... you see that almost on every cylinder intake and outlet...
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before the car was sold to switzerland... it was in yugoslavia.. here in switzerland the new owner fully restored the car and removed all the paint from the body.. it was pink or rosa when it arrived in switzerland.. :-) and under that it was yellow..
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Utterly utterly speachless....
The main power of an NA car is in the head so pictures arent just worth a thousand words.....theyre worth millions!!
Excellent work mate, and its brilliant that your going back again...i must have my s42 fix :)
Next time...your mission is to fill your memory card :)
Its interesting to see the use of bronze valve seats, i wonder why that is?
I wonder how they managed to make the head lighter than the standard m42.
Different material used? Shaving the block?
Its crazy that they polished the inside of the block, obviously trying to eake out every last horsepower. Some race engines have painted water gallerys to reduce friction and increase the transfer of heat between the block and the water.
Swiss- You say the dry sump tank is near the gearbox? you mean under the intake manifold?
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Sorry for the double post but
Swiss or anybody else for that matter.
Do you know what material the s42 valves were made from?
Because if they are made from Titanium then the valve seat inserts (not to be confused with the valve guides) arent bronze, they are made from beryllium copper.
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Sorry for the double post but
Swiss or anybody else for that matter.
Do you know what material the s42 valves were made from?
Because if they are made from Titanium then the valve seat inserts (not to be confused with the valve guides) arent bronze, they are made from beryllium copper.
You had choice of either titanium or steel valves, atleast in 1995 season :)
Based on valve material you then had diferent springs etc. But I think valve seat material were same for both.
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Yeah it must be beryllium copper then.
The reason for using its is because titanium valves need more cooling than stainless steel valves. The cooling of the valve is mainly done through the valve seat and beryllium is much better at this that the standard inserts. They use Beryllium 25 (98% copper) for the intake seat and beryllium 3 for the exhaust seat ( 97% copper)
Id love to run Ti valves and Beryllium seats but they wear very quickly and im not sure how suitable they are for road use.
BTW: i just noticed that ive only posted here 16 times, even though i check the website nearly every day....odd!
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Awesome! Thanks alot! :)
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Utterly utterly speachless....
The main power of an NA car is in the head so pictures arent just worth a thousand words.....theyre worth millions!!
Excellent work mate, and its brilliant that your going back again...i must have my s42 fix :)
Next time...your mission is to fill your memory card :)
i hope that the next time we find the cams, the camcarriers and the valves... and perhaps the car is liftet up... i need to take pics from underneath..
Its interesting to see the use of bronze valve seats, i wonder why that is?
a question more... it could be beryllium because the car is a late version of the 320 stw...
I wonder how they managed to make the head lighter than the standard m42.
Different material used? Shaving the block?
i have no idea... i lifted up the s42 head.. and then 30min later at home my m42 head and there was a significant difference.. perhaps because the intake and outlets are much more bigger than the stock ones.. saves maybe a couple of gramms and if you count every corner where they grind some material ?!... all in all around 500-600g ??? or more??
Its crazy that they polished the inside of the block, obviously trying to eake out every last horsepower. Some race engines have painted water gallerys to reduce friction and increase the transfer of heat between the block and the water.
they polished the inside of the block, the target is.. keep the oil where it has to be... and thats not on the sidewalls of the block or in the timingcase..
Swiss- You say the dry sump tank is near the gearbox? you mean under the intake manifold?
no, the owner told me that the drysumptank is AROUND the gearbox.. i will post pics when i can see the car from underneath..
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Outstanding pics, keep them coming!
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i hope that the next time we find the cams, the camcarriers and the valves... and perhaps the car is liftet up... i need to take pics from underneath..
That would be brilliant, it would be good to see if they made any attempts at flattening the floor or if they have added any bracing..possibly the xbrace.
a question more... it could be beryllium because the car is a late version of the 320 stw...
Yeah it seems most likely that they used Beryllium valve inserts.
It would be nice to be able to run Ti valves with these inserts on a road car, but i think they need replacing quite often. Possibly one of the reasons the s42 had to be rebuilt after every few races.
i have no idea... i lifted up the s42 head.. and then 30min later at home my m42 head and there was a significant difference.. perhaps because the intake and outlets are much more bigger than the stock ones.. saves maybe a couple of gramms and if you count every corner where they grind some material ?!... all in all around 500-600g ??? or more??
Very good point, every little bit of material adds up. Even if its only a few grams per port it adds up to a large amount.
They might of extrude honed the oil and water ways in the head for a smoother flow, but this process is very time consuming, difficult and can be hit and miss at the best of times.
I remember from a few years ago, when i got to look around a JGTCC GT500
skyline that was at the phoenix park races. The main nissan engineer that came over with the car was telling me that in order to cut down every last bit of weight, they shave the engine block:eek::eek:
They shave bits of metal off the block using air grinder to remove any material that is left over from casting and isnt fundamental to the block's integrity....now thats attention to detail. It also helps when downshifting at high speed. The lighter block doesnt have as much mass to jerk around, so it doesnt unsettle the car when shifting down into a corner.
no, the owner told me that the drysumptank is AROUND the gearbox.. i will post pics when i can see the car from underneath..
AROUND the gearbox? that is crazy, ive never seen that before but i suppose you have to put it where ever you can.
What happens if the flywheel disintegrates? Does it have a shield to protect the oil tank?
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What happens if the flywheel disintegrates? Does it have a shield to protect the oil tank?
If the flywheel disintegrates, hopefully the engine stops as fast as it would lose oil. Do those cars really have much of a flywheel to lose anyway?
:o
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Not much of a flywheel but still, any weight spinning at 8500rpm will have a huge amount of momentum if it disintegrates.
I remember an old horror story where the flywheel on a lotus elan race car disintegrated at high rpm and parts of it ended up lodged in the roof....ever since then they run a carbon kevlar honeycomb plate around the trans tunnel :):)
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Swiss- When you go back the next time is it possible for you to get more specs on the head?
If they allow you to/if you can be bothered, could you check the volume of the ports and the combustion chamber for each cylinder?
(i can show you how, if you want)
Just a thought, as it would give us loads of information about what porting they did to the head.
Boyracer- Would any of this information be in your documents? if you dont mind me asking..
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ohh...man..!!!the combustin chambers are the same volume as our..!! i asked that! they only polish the chambers and prepars the four to the same volume... the intakes and the outlets are another history..
i can ask him if i can take the cylinder head home to make some measurement..!
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Boyracer- Would any of this information be in your documents? if you dont mind me asking..
http://www.flickr.com/photos/25412802@N07/2395594069/
There is line "Einlasskanalquerschnitt breite/höhe/radius 52 / 29.7 / R 14.85 mm"
I think that is intake port dimensions widht, height and radius since it is oval shaped :)
I entered the data to my excel and did some calculations (I have measured my stock M42 ports earlier, it is 51,48 / 28,17 mm)...
S42 intake port area: 1355.1 mm2
M42 intake port area: 1279.89 mm2
So if those values in document are correct, S42 has only 5.8% larger port! :eek:
Someone (swiss?) has to measure the S42 ports to be sure.
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http://www.flickr.com/photos/25412802@N07/2395594069/
There is line "Einlasskanalquerschnitt breite/höhe/radius 52 / 29.7 / R 14.85 mm"
I think that is intake port dimensions widht, height and radius since it is oval shaped :)
yes... einlass means intake...
I entered the data to my excel and did some calculations (I have measured my stock M42 ports earlier, it is 51,48 / 28,17 mm)...
S42 intake port area: 1355.1 mm2
M42 intake port area: 1279.89 mm2
So if those values in document are correct, S42 has only 5.8% larger port! :eek:
Someone (swiss?) has to measure the S42 ports to be sure.
yes. i think i have to. due to the high demand..!:D
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only 5.8% ? thats still a lot...!!
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To continue the port dimensions discussion, I have S50B30 ITB's and from those you can see that S50B30 (from E36 M3) and M42 intake ports are precisely same in dimensions.
M3 3.0 puts out 95.3 hp / liter. To scale that to our 1.8 liter displacement we should be good for 171.6 hp with same port area.
The problem is that we only have 33 mm intake valves while S50B30 has 34 mm (S50B32 had 35 mm) so we have less flow. But valves can be always changed to larger ;)
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as i remember the s42 has 35mm outlet valves too...
i think the power of the s42 is a sum of the 2l displacement, low friction parts, high cr, high rpm due to titanium valves and springs.., big valves..., insane cams, solidlifters, the 8 fuelinjectors on the quillotine itb's and the better flow of the air into the cylinders..!
bigger inlet ports arent always better.. they are slower.. thats perhaps the reason why the inlets are only 5.8% bigger than stock?! the air can flow with more speed..
another reason why this engine has "nearly" no torque and no power in the lower part of the rpms
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its christmas time... so complete your whish list below.. quote it and go..!
1. volume of the chambers
2. volume of intake and outlet
3. material of the valve inserts and the valves
4. weight reduction of the head?
5. pics from under the car
6. why are there caps between valveguides and head
7. cylinder head cover ventilation..
8.
9.
10.
11.
12.
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bigger inlet ports arent always better.. they are slower.. thats perhaps the reason why the inlets are only 5.8% bigger than stock?! the air can flow with more speed..
another reason why this engine has "nearly" no torque and no power in the lower part of the rpms
Yes, too large and you lose flow velocity which hurts cylinder filling. But mere 5.8% increase in area is quite small when you think that S42 produced well over twice the power of M42 :)
But it really seems that even stock M42 ports have plenty of spare capacity, you just need get bigger valves (and intake manifold) to use those stock ports to fullest.
Of course mild porting and smoothing of casting/CNC machining imprefections of intake port do help but they might not be absolutely neccessary until you are closer to 180-200 hp.
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I <3 this thread :)
I think i can delete a few of these questions off the list
3. material of the valve inserts and the valves?
Beryllium for the Valve inserts and Titanium for the Valves
6. why are there caps between valve guides and head?
Titanium valves need extra cooling because titanium has a lower melting point than steel. Therefore Beryllium valve inserts are used (Beryllium 25 intake, Beryllium 3 for the exhaust) Two different types of Beryllium are used because the exhaust valve seat needs extra cooling, therefore it uses a higher percentage of Beryllium in the exhaust valve than it does in the intake.
Would you be able to verify the percentages?
The most common ratio ive seen is 98% Cu Intake, 97% Cu Exhaust)
7. cylinder head cover ventilation..
The s42 doesnt have a valve cover breather. It uses a dry sump pump which creates a vacuum in the crank case( Another reason why it makes so much power per litre).
Dry sump systems like that dont need a breather because any oil vapour is sucked down into the dry sump pump and on into the oil tank. The Tank itself has a breather tank which is used to seperate out any air from the oil.
Il post up my wish list later on, im heading out now :)
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damn, I was missing this thread with pics:eek:
i'll do my wish list soon, as now I'm zooming your pics:D
thank you friend!
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i found some pics of the 320i stw... the pics on the first page of this thread are from this car...
(http://i244.photobucket.com/albums/gg19/swiss318is/320istw.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/320istw-1.jpg)
(http://i244.photobucket.com/albums/gg19/swiss318is/320stw.jpg)
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This thread is what makes me torn between the f20c and the m42/44.
There are so many factors to consider...on the plus side, if i stay m42/44 its keeping it bmw...which is a major plus.
Thanks for all youve done swiss, if it wasnt for you my mind would already be set on the honda engine
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white race cars rule!!
irish friend, you should keep it all bmw, honnestly.
put the money you have for the f20c into parts for the m42
there is, imo, more pride to building an engine than to swap a better one
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white race cars rule!!
irish friend, you should keep it all bmw, honnestly.
put the money you have for the f20c into parts for the m42
there is, imo, more pride to building an engine than to swap a better one
(http://i50.photobucket.com/albums/f312/Tonito44/ThatsRacist.gif)
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^lol
hoevesrupred-
Thats what im starting to feel, there is no such thing as a free meal.
The s2k engine and ancilaries is going to cost me €3000 + €1200 for a standalone ecu.....and then on top of that there is custom mounts, exhaust manifold, exhaust system, fuel pump, driveshaft......and suddenly my original plan of saving money is gone.
And thats all before telling my insurance company and watch as they put my premium through the roof.
I may have to change my mind, and stick with the m42/44.....i guess il start another thread tommorow when im in college.....speaking of which, its now 3:20 am and i have to be up at 7:15 am.....its okay, we get to play with the dyno tommorow :)
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i apologize for my actions.
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i apologize for my actions.
Just dont let it happen again...
jk :D
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white race cars rule!!
thats a FACT.. all racing bmw's from the factory have been, are and will FOREVER be WHITE!!!!! AND THEY REALLY RULES!!!!! because that was the color of all german racecars at the beginning of racing in the 19th and 20th century!! as red was the color for ferrari, alfa-romeo and others of italy!!and green for the british ones!!!to be continued...
NOBODY thinks about racism and black people saying a white car rules!!and so dont start that STUPID FXXXING SHIT about racism in my thread..!!nobody has to apologize for saying a WHITE RACE CARS RULES!!!! its all about the S42 ENGINE IN A WHITE 320i STW!!!!! not about racism and other or wrong colors or shit like that...!!!
i have friends with other colors of skin.. and they drive white cars too.. same as i do!!theres no problem!!only if you are looking for one
i am PROUD OF MY WHITE RACECAR!!!!!!!!!!!!!!!!!!!!and will always be...!!!!!!
be cool!!and dont be paranoid...
:mad:BEEGEEZY REMOVE THAT PIC FROM MY THREAD!!!!!!!!!!!!!!!!!!!!!! and no discussion!!!:mad:
MY THREAD IS DEFINITELY THE WRONG PLACE FOR ACCUSATIONS ABOUT RACISM!!!!
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Thanks for all youve done swiss, if it wasnt for you my mind would already be set on the honda engine
:D please no rice-bombers..:D i mean they are very cool cars and the engines have the redline where we have the fuel-consumption gauge..:D.. but the parts for them are sooooo expensive.. and there is more electronic than in the spaceshuttle!! and you see them on every corner!!
my friend is a honda-mechanic and he has a few hondas, but he is always looking what i am doing with my 3 bmw's... :cool:
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it looks a lot like a joke. take it easy.
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swiss i dont think he was making an actual accusation of racism, i think it was just a tongue in cheek play on words, nothing to do with race or ethnicity.
My advice, so as not to mess up your own thread, is to delete the little outburst you had.
Not that you didn't make a valid point, but just to avoid drama.
Its very difficult to express sarcasm or tongue in cheek using the medium of text, so lets all be m42/44 loving buddies :):)
Honda engines are great, and can rev for days...to be honest, i wish my m44 had some of the honda engine's characteristics but the hassle of fitting a non bmw engine into a bmw doesnt seem worth it.
My only option is to spend the money i would have spent on the conversion on building a very strong m42
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swiss i dont think he was making an actual accusation of racism, i think it was just a tongue in cheek play on words, nothing to do with race or ethnicity.
My advice, so as not to mess up your own thread, is to delete the little outburst you had.
Not that you didn't make a valid point, but just to avoid drama.
Its very difficult to express sarcasm or tongue in cheek using the medium of text, so lets all be m42/44 loving buddies :):)
what has a WHITE RACE CAR to do with racism???thats the point..
i dont care, you all know that wasnt a "joke" but anyway..! as a bouncer in front of a club i have every single weekend (thursday/friday/saturday) stupid discussion about racism and ethnicity..! every month it ends at least once with knifes, blood, broken bones and a lot of police.... because of "jokes" like that!
Honda engines are great, and can rev for days...to be honest, i wish my m44 had some of the honda engine's characteristics but the hassle of fitting a non bmw engine into a bmw doesnt seem worth it.
My only option is to spend the money i would have spent on the conversion on building a very strong m42
yes, a bmw engine with some honda engine characteristics, a high rev limit, non hydro-lifters, etc.. i am building a strong m42 at the moment and hoping to get 180hp out of the engine.. but we will see!
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can't wait for the money to make a super m42 like that :D if you're doing it, good luck and keep us posted on how it goes like i know you would
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what has a WHITE RACE CAR to do with racism???thats the point..
i dont care, you all know that wasnt a "joke" but anyway..! as a bouncer in front of a club i have every single weekend (thursday/friday/saturday) stupid discussion about racism and ethnicity..! every month it ends at least once with knifes, blood, broken bones and a lot of police.... because of "jokes" like that!
I understand where your coming from. Ive been a bouncer for my friends band a few times and ive had the racist/sexist/etc card pulled on me too...when i am none of those things and it has really annoyed me too
I just dont think that beegeezy was trying anything of that sort, merely trying to create banter.
But i can see where your coming from, there was no need to bring race into a thread about cars.
Anyway, the issue is over, no harm was done.
lets not let it turn a brilliant thread nasty.
:D:D:D:DTOPIC NOW CHANGED BACK TO S42:D:D:D:D
Swiss-
I managed to locate a bmw motorsport specialist today, about two hours north of my house.
He has loads of M\\\ parts along with ex-racing parts, including ex BTCC e36s.
Hopefully he will be able to source, or at least give me information on, an s42 crank.
Just wondering,
will you be going back on a second trip to get info on the s42?
I havent posted in this thread in a few weeks due to my brief interest in the f20c.
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:D:D:D:DTOPIC NOW CHANGED BACK TO S42:D:D:D:D.
....this thread was always for the S42 and the WHITE RACE CAR i took the pics of...
Swiss-
I managed to locate a bmw motorsport specialist today, about two hours north of my house.
He has loads of M\\\ parts along with ex-racing parts, including ex BTCC e36s.
Hopefully he will be able to source, or at least give me information on, an s42 crank..
nice to hear that you probably found a bmw source "near" your home. i probably know where to get s42 cranks.... but they are freaking expensive... around +2500.-$ a piece! whole engine between 16000.-$ and +45000.-$ depends on the evo steps.. and if rebuild or not.. the engine of the car, where i have the pics, need a rebuild every ~1000km for thousands of swissfrancs... thats the reason why the owner dont race that much....
Just wondering,
will you be going back on a second trip to get info on the s42?
I havent posted in this thread in a few weeks due to my brief interest in the f20c.
if i had time enough.. i would go there everyday.. :D it would not be the second trip my friend, it would be the 4th...:D, i still need some pics of the cams, valves, camcarriers and the whole car lifted up... oilcatchtank around the gearbox etc...
but at the moment i have NO TIME:( but i promise that i go as soon as possible.... to take some :eek::eek::eek::eek: pics!!!
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.....I havent posted in this thread in a few weeks due to my brief interest in the f20c....
whats a f20c??? whipper-engine on a 320i stw??? :p
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Whoa, swiss, calm down man. I was just joking, messing with hoevesruperd . Haha, how could someone really get offended by saying "white race cars rule"? Its just jokes, didnt think anyone would flip.
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i have friends with other colors of skin.. and they drive white cars too.. same as i do!!theres no problem!!only if you are looking for one
haha, Im my own colored friend. I drive whatever I own, dont really care about color(cant be something nasty though, like pink). Again, wasnt looking to cause a problem with anyone, sorry if it was taken badly by anyone. CAnt say it wont happen again, cause I joke a lot, but Ill try to make it more blatant. :D
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A guy in New Zealand is selling a bunch of S42 parts (or he was a couple of months ago). If anybody is interested I can dig the info back up.
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A guy in New Zealand is selling a bunch of S42 parts (or he was a couple of months ago). If anybody is interested I can dig the info back up.
yes, i already know.. but the parts are from an early s42 engine.. it was pretty much the same as our m42 parts...!! i am more interested in the latest s42 parts .... year 94-96 or so...:D that are the real nasty parts for quys like us...!!!!
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nice to hear that you probably found a bmw source "near" your home. i probably know where to get s42 cranks.... but they are freaking expensive... around +2500.-$ a piece! whole engine between 16000.-$ and +45000.-$ depends on the evo steps.. and if rebuild or not.. the engine of the car, where i have the pics, need a rebuild every ~1000km for thousands of swissfrancs... thats the reason why the owner dont race that much....
Well its close enough, only a two hour blast up the motorway :)
I was talking to him today and apparently he can do different evolutionary steps between the m42 and the s42.
Obviously the further your go towarsd the s42 the less road worthy it becomes.
SO i might aim somewhere in the middle....
Im aiming for the e36 equivalent to the e30 m3's s14 engine..that is my new goal!!
if i had time enough.. i would go there everyday.. it would not be the second trip my friend, it would be the 4th..., i still need some pics of the cams, valves, camcarriers and the whole car lifted up... oilcatchtank around the gearbox etc...
but at the moment i have NO TIME but i promise that i go as soon as possible.... to take some pics!!!
4TH TRIP!?!?....thats dedication man :) :)
Il post up anything that i can think of for you to take photos of, whenever you go of course :)
Oh btw: i found out that the dry sump tank isnt 'AROUND' the gearbox, its part of it.
Beegeezy- thanks for clearing that up man, more blatant jokes in future :):)
Colin- if you could get info that would be brilliant.
Any info is good for the s42. especially the early stuff which is closer to the m42!
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Found some more pics.....the more the merrier and all that :):)
(http://www.rallycarsforsale.net/photos/p29037n1.jpg)
(http://www.rallycarsforsale.net/photos/p29037n2.jpg)
(http://www.rallycarsforsale.net/photos/p29037n3.jpg)
A good picture of the crank pulleys :):)
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A guy in New Zealand is selling a bunch of S42 parts (or he was a couple of months ago). If anybody is interested I can dig the info back up.
SHOTGUN on any intake manifolds he has! hahaha
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DAMN VULTURES :):):):)
Ive spent this evening reading up on the pros and cons of double injectors.
Seems like a good idea to have one small set for low rpm/velocity use, and then a second set to kick in at a certain duty cycle/rpm to provide fueling better suited to high rpm use.....also the smaller injectors will make tuning idle allot easier.... all most the best of both worlds.
anybody have experience/info/thoughts with double injection?
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DAMN VULTURES :):):):)
Ive spent this evening reading up on the pros and cons of double injectors.
Seems like a good idea to have one small set for low rpm/velocity use, and then a second set to kick in at a certain duty cycle/rpm to provide fueling better suited to high rpm use.....also the smaller injectors will make tuning idle allot easier.... all most the best of both worlds.
anybody have experience/info/thoughts with double injection?
Other than slightly added complexity, and a miniscule amount of weight, I don't really see many cons to double injectors. I'm pretty sure that with two smaller injectors per port, you can get more accurate fuel metering and better fuel atomization, which would be helpful improvements for engine dynamics.
I don't even think you need to stage the injector usages because the improvements from twice the injectors, alone, helps through out the entire RPM range. Also it's not like the S42 was even intended for idling smoothly or using the first half of it's RPM range.:p
Swiss: I would definitely be interested in fuel pressure, flow rates of the injectors and any more pics of the intake and throttle body assembly. You are awesome by the way for taking the effort to get all the nice high res. pictures and post them up.:cool:
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Injectors on my dads trackday S14B25 M3 engine.
(http://www.bmsport.com/images/gallery/bmw-gallery-5-big.jpg)
I remember what it was like before he had the airbox w/injector set up. They make a huuuge difference. The airbox alone proved yield an extra 25bhp, so the injectors must yield maybe half that, atleast. Ill most definately be looking into this for my own M42/44 stroker engine setup :cool: .
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Injectors on my dads trackday S14B25 M3 engine.
http://www.bmsport.com/images/gallery/bmw-gallery-5-big.jpg
I remember what it was like before he had the airbox w/injector set up. They make a huuuge difference. The airbox alone proved yield an extra 25bhp, so the injectors must yield maybe half that, atleast. Ill most definately be looking into this for my own M42/44 stroker engine setup :cool: .
Nice picture!
I would love to make a carbon fiber intake plenum/airbox for the M42. Been reading up on making stuff from carbon fiber and recently bough a vacuum pump for vacuum bagging parts. I wish tim_s would respond to my PM's about how he made his fiberglass intake so I would have a good starting point.
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I would love to make a carbon fiber intake plenum/airbox for the M42. Been reading up on making stuff from carbon fiber and recently bough a vacuum pump for vacuum bagging parts. I wish tim_s would respond to my PM's about how he made his fiberglass intake so I would have a good starting point.
I would definately be down for a fiberglass version, maybe carbon fiber if it is not too expensive. There seems to be pretty high demand for these but it is hard to find them.
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4TH TRIP!?!?....thats dedication man :) :)
Il post up anything that i can think of for you to take photos of, whenever you go of course :)
Oh btw: i found out that the dry sump tank isnt 'AROUND' the gearbox, its part of it.!
i post EVERY single pic i have of the car and the engineparts, i dont have more... yes, the owner told me that the dry-sump is around the gearbox but in the same house...?!?we will see...
Any info is good for the s42. especially the early stuff which is closer to the m42!
yes, i am very interested in that too...
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Swiss: I would definitely be interested in fuel pressure, flow rates of the injectors and any more pics of the intake and throttle body assembly. You are awesome by the way for taking the effort to get all the nice high res. pictures and post them up.:cool:
i will add that to the long wish list...
and its not a big effort, its dedication to one of the most interesting engine for the m42 community...
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Found some more pics.....the more the merrier and all that :):)
(http://www.rallycarsforsale.net/photos/p29037n1.jpg)
(http://www.rallycarsforsale.net/photos/p29037n2.jpg)
(http://www.rallycarsforsale.net/photos/p29037n3.jpg)
A good picture of the crank pulleys :):)
no, crankshaft damper?? what do you think would happen if i remove that on my engine?? destruction?? i am planning to machine some small pulleys out of aluminum to reduce the drag on the crank and gain 1-2-3-4-5...??? hp's!!!
interesting flywheel...
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(http://i244.photobucket.com/albums/gg19/swiss318is/dsc01746.jpg)
a better pic of the flywheel... ;-P
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....Also it's not like the S42 was even intended for idling smoothly or using the first half of it's RPM range....
:D:D:D ...this engine have an idle at 5000rpm... :D:D:D
thats where our engine already sees the redline comming...:D
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:Di think we all have a serious problem...!!!:D isnt s42 a virus??
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Here's the info and a pic from the seller:
I have some S42 (late E36 STW)parts that I ended up with as part of a much bigger "job lot" that I purchased. I just want to get rid of them, so the price is way below what you would pay for them new.I will only sell them as one lot, not interested in splitting.
1.1x set S42 valve springs, 2 sets retainers and spring bases
2.2x S42 remote oil filter heads
3.2x S42 fuel rails and clamps.
4. 1x pair S42 cam carriers and caps.
5.2x sets S42 cam followers(solid type)
6. 1x set M42 JE pistons, one compression ring, includes pins, circlips and rings.
7. 1x M42 timing cover
Plus many small items, gaskets, seals etc.
1250 Euros for the lot.
All parts are brand new, unmarked and in original packaging.email for more info or pics if required.
conrod@callplus.net.nz
http://board.s14power.com/attachment.php?attachmentid=290&d=1186374720
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I emailed him yesterday about some parts.
Unfortunately he doesnt have any left. Everything is sold :(
This was his email reply -
Hi Scott,
sorry no bits left. I bought them as a box full of bits, I was after the S14 bits so sold the S42 parts.
cheers conrad
We were so close :( !
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Swiss-
Do you think you could also take some measurements of the airbox dimentions? Could you make fg or cf airboxes in your shop you plan to start with your own business? It seems like there would be strong demand for these but few manufacturers sell them.
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Colin-
Thanks for the info mate :) i think i remember that job lot....was he trying to sell it on racecarsdirect.com aswell?
Even though he has sold all the parts already, could you ask him if he has any high-res pictures of the parts?
E30_4cyl-
I didnt want to say this too early, so as not to let people down, but im in the process of building carbon fiber parts myself.
Im studying Product/Industrial design in college and i have been using carbon allot lately, so i will start making cf car parts over the summer.
I will be building them for my own project but i could do some batch production if there is a need for it.
On the list so far is:
M42/44 Carbon fiber valve cover
Carbon fiber plenum for use with m3 throttle bodies
Carbon fiber airbox/airscoop to be mounted behind the front grille ( a flexible hose will connect this to the plenum)
E36 carbon fiber interior panels
And a few more secret things :):) that will be revealed later
There are still some details to sort out about the parts but i will sort them out closer to the production time ( at the moment i'm sourcing materials)
Any other parts that you guys want i will see if i can make them.
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RouteZero, If i pass my 2nd interview with them, ill be starting an apprentiship with Prodrive in their composites department in september - Im hoping they allow/encourage personal projects :D So if they dont let me make CF parts there, then you can put me down on that list of yours for some bits and bobs!
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Sounds good mate.
Good luck with your interview with prodrive, they will be an excellent company to work for.
I wonder how they would feel about one the wrc engines going missing?!?!.....a flat four powered e30 would be pretty awesome :):):)
BTW: Sourcing CF is a pain in the ass...
..Damn airline industry buying as much as they can.
The only local place that will supply it is trying to charge me way over the top...i may have to look overseas....at least shipping will be cheap (lightweight :) )
Currently im not 100% on which types of cf i will use, more than likely i will use different methods for different parts, based on there complexity and size.
Wet lay up and vacuum bagged wet lay up are simple enough.
Vacuum bagged wet lay up, which is autoclaved is harder.
Then pre-pregnated autoclaved is even harder to do.
Good news is that im finally finished my lectures, so after the exams i can get going on the car and the parts :)
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Sounds good mate.
Good luck with your interview with prodrive, they will be an excellent company to work for.
I wonder how they would feel about one the wrc engines going missing?!?!.....a flat four powered e30 would be pretty awesome
Thanks! 400 people applied and im in the last 20, there are 15 places up for grabs. Prodrive is my dream job, working with Aston Martins and the Subarus :D I got shown round their car showroom while i was there, and I 'met' the Manx E30 M3 (http://www.youtube.com/watch?v=jOz8zdBdJGQ) - such a beautiful car!
Pre-preg for the win! Id try and use that as much as possible really. We're lucky enough to be one of the only colleges in the UK with an autoclave, and I start a week-long intensive on composites in a week or two. Im on a motorsport and race car engineering course at the moment and im really looking forward to doing some high-tech stuff!
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Pre-preg is brilliant, extremely strong and lightweight. But its also very expensive to buy and mold (needing an autoclave and all that).
We have one big Autoclave in our college but i wont have much access to it over the summer. I might investigate how to build a small autoclave for certain parts but it'll be a while before i can even think about buying a large one.
For the moment vacuum bagged, baked, wet lay up is what im working with.
That manx m3 is amazing, with such a beautiful sound.
It would be a dream come true if i could get my m42/4 to be similar to the s14 found in the e30 m3.
Almost as If BMW had continued with the 4 cylinder m3 idea with the e36....thats the car i want to build :):):):)
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Indeed, autoclaves rock! As you say though, damn expensive :S
Indeed that manx is so amazing and i cant believe ive tocuhed it :p it was beautiful!
Have you heard the metric mechanic 2.1 M42 stroker? It sounds stunning [even though you can hear idots talking over it]. I smile so much every time I hear it becasue I know that ill be running mine with a carbon airbox and ITB's, which theirs doesnt. So it sould have even more of an S14 howl :D
Metric Mechanic's video (http://metricmechanic.com/images/2_2_Rally_E30.mov)
dads e30 m3 (http://www.youtube.com/watch?v=pXcKGiWbrzo)
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E30_4cyl-
I didnt want to say this too early, so as not to let people down, but im in the process of building carbon fiber parts myself.
hihihi.. me too!!!!:D
And a few more secret things :):) that will be revealed later
hihihi.. me too!!!!:D
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Swiss-
Do you think you could also take some measurements of the airbox dimentions? Could you make fg or cf airboxes in your shop you plan to start with your own business? It seems like there would be strong demand for these but few manufacturers sell them.
i was thinking on that... a direct bolt on ITB with carbon airbox for the m42!
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i was thinking on that... a direct bolt on ITB with carbon airbox for the m42!
But please dont charge through the arse for it :( :(
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Sounds good swiss, looks like we might need to collaborate on some things :):)
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now, i stoped working on my cars for a month. i have exams and i have to pass them, because i hate university!!!after that... serious business!!!:D
i want to strip and prepare (grinding, lightening etc)my whole car before august and let it paint alpinweiss II before september!! during that time i have to powdercoat all the suspension parts, to put the car back on her wheels again!! if anybody wants to visit me.. and help for bbq and beer!give me a call :)
and go and have a look on a secret place all full of old bmw racecars...?!? and the 320i stw of course too...
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Sounds good swiss, looks like we might need to collaborate on some things :):)
why not!!:)
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I might take you up on that offer :)
Myself and a few friends are driving across europe in the summer for 2 weeks, so im sure we could stop by switzerland :)....
though il be driving the crappy 5 door civic, cant beet the space of a 5 door hatchback:)
My digital dash project took a major leap forward today, i have finally found a motherboard and processor suitable for it....more info later :)
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I might take you up on that offer :)
Myself and a few friends are driving across europe in the summer for 2 weeks, so im sure we could stop by switzerland :)....
just give me a call...:D during summer i can need a few helping hands..!!:D
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Wow this is porn! I Want your car:)
Do you have any videos?
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Wow this is porn! I Want your car:)
Do you have any videos?
Welcome to the forum.
Who's car do you mean?
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Thanks! i mean that S42..
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Wow this is porn! I Want your car:)
yes, it is porn!!! and i want that car too...:D
the thread is self-explaining..you have to read it..!!its obviously not my car..:(
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Colin-
E30_4cyl-
I didnt want to say this too early, so as not to let people down, but im in the process of building carbon fiber parts myself.
Im studying Product/Industrial design in college and i have been using carbon allot lately, so i will start making cf car parts over the summer.
I will be building them for my own project but i could do some batch production if there is a need for it.
On the list so far is:
M42/44 Carbon fiber valve cover
Carbon fiber plenum for use with m3 throttle bodies
Carbon fiber airbox/airscoop to be mounted behind the front grille ( a flexible hose will connect this to the plenum)
E36 carbon fiber interior panels
And a few more secret things :):) that will be revealed later
There are still some details to sort out about the parts but i will sort them out closer to the production time ( at the moment i'm sourcing materials)
Any other parts that you guys want i will see if i can make them.
You've got my interest. Would you be willing to share designs and production processes for the items?
hihihi.. me too!!!!:D
hihihi... me three!!!!:D
i was thinking on that... a direct bolt on ITB with carbon airbox for the m42!
Someone needs to design and build a slider throttle body setup now too...
But please dont charge through the arse for it :( :(
That's just like asking for a cheap diamond ring!:p
now, i stoped working on my cars for a month. i have exams and i have to pass them, because i hate university!!!after that... serious business!!!:D
i want to strip and prepare (grinding, lightening etc)my whole car before august and let it paint alpinweiss II before september!! during that time i have to powdercoat all the suspension parts, to put the car back on her wheels again!! if anybody wants to visit me.. and help for bbq and beer!give me a call :)
and go and have a look on a secret place all full of old bmw racecars...?!? and the 320i stw of course too...
I might be in France this summer somewhere around Lac Annecy, which is conveniently not too far of a drive from Switzerland!
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Oh yeah, and I got to see (and take a picture) of pretty much the current day version of the E36 STW. It also had a 2.0 liter 4 cylinder engine.
320si (http://i187.photobucket.com/albums/x115/mkodama/BMW320sismaller.jpg)
Sadly, I didn't get to take many pictures. To busy with working on another car. :(
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Someone needs to design and build a slider throttle body setup now too...
i know.. i have to take a slider from a s14 engine and then have a look what i have to change.. i dont think that it is too complicated to duplicate one on a cnc mill.. :confused::D
I might be in France this summer somewhere around Lac Annecy, which is conveniently not too far of a drive from Switzerland!
let me know..:)
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Slide throttle bodies are good, but only for full on racing engines, and even then, F1 still uses butterfly valves.
The advantage is that, when at full throttle, there is nothing blocking the intake path.
But the disadvantage is that they arent very sensitive to throttle modulation.
Have a look here
http://e30m3performance.com/tech_articles/engine-tech/dtm_slides/index.htm (http://e30m3performance.com/tech_articles/engine-tech/dtm_slides/index.htm)
Mkodoma
You've got my interest. Would you be willing to share designs and production processes for the items?
As far as sharing designs go, most of the parts are only in the design stage at the moment, and for the ones that i have prototypes made, they are very rough at the moment, and still need development work.
I could, in theory, start producing some parts at the moment, but they would not be fully developed... And I 100% REFUSE to produce something that i wouldnt be happy receiving myself, especially with expensive parts.
I've seen far too many times, companies trying to get their product onto the market quickly, and then 6 months later bringing out an improved version.
Leaving the customers who bought the early model feeling hard done by.
When i do start selling the parts, they will be of a quality that im happy with, i guess that is the advantage of building parts for yourself.
Also, im not relying on selling these parts as a source of income, so when they are perfect i will sell them, not before.
I hope you understand, this is for everyones benefit;)
As far as the process goes (i assume you mean the process of producing carbon fiber parts), id be happy to help you out wherever i can or point you in the direction of information.
That's just like asking for a cheap diamond ring!
Well the parts certainly wont cost anything like diamonds
Unless you were making a joke about diamonds and carbon :D
(Diamonds are made of Carbon atoms with 4 single covalent bonds each)
I'll try keep costs as low as possible, after all this has been a project greatly helped by the m42/44 community, so it would be unfair to start charging the community astronomical amounts of money for parts they helped develop :)
-Paul
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Slide throttle bodies are good, but only for full on racing engines, and even then, F1 still uses butterfly valves.
Well the parts certainly wont cost anything like diamonds
Unless you were making a joke about diamonds and carbon :D
(Diamonds are made of Carbon atoms with 4 single covalent bonds each)
I'll try keep costs as low as possible, after all this has been a project greatly helped by the m42/44 community, so it would be unfair to start charging the community astronomical amounts of money for parts they helped develop :)
-Paul
Haha, I didn't think of the fact that diamonds and carbon are the same thing.
I'm still kinda curious why slide throttles don't provide good throttle response.
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:) Carbon has to be one of the greatest elements.
From it we can get carbon fiber, which has an incredible strength to weight ratio.
Graphite, which is a self lubricating conductive metal
Diamonds, which are the hardest thing on earth
Carbon dioxide used for photosynthesis, although too much Co2 is bad
And a whole host other shit that i cant be bothered listing :):)
Im not sure of the reason why slide throttle dont give as good modulation as butterfly valves, i think it has to do with the shape of the intake port as they are opening up.
Yes, they dont impede the port at all at full throttle, but at part throttle, the entrance into the runner is offset greatly to one side of the intake runner. This might have something to do with it.
Also there is a much large area of friction with the throttle plate running inside the mechanism as opposed to the small pivot area of the butterfly valves.
I dont know about their responsiveness, im sure its pretty good tbh, but its the modulation that id be worried about.
It really depends how you like to apply the throttle.
I remember from an F1 article with ferrari, they were describing how they set up the pedals for schumacher and barracello.
Barracello liked his pedals to be basically on or off, whereas schumacher like his to be really sensitive, with much more resolution in throttle position.
Just shows that two very experienced drivers can have very different tastes for throttle modulation.
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The reason that the slide throttle are hard to modulate is because the intake runner area increases/decreases greatly at some positions. Friction shouldn't be much more than a conventional throttle if the slide throttle is designed properly with bearings but maintenance/greasing is much more important. I'll see if I can find a good photo of one design.
Edit: Found a page but only thumbnail photos, the bigger ones does not seem to work? One good pic on the frontpage though http://www.scheel.ch/ its under "Motorsportteile".
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Edit: Found a page but only thumbnail photos, the bigger ones does not seem to work? One good pic on the frontpage though http://www.scheel.ch/ its under "Motorsportteile".
poooh... :eek: right know i hate you!!!:D
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:) Carbon has to be one of the greatest elements.
From it we can get carbon fiber, which has an incredible strength to weight ratio.
Graphite, which is a self lubricating conductive metal
Diamonds, which are the hardest thing on earth
Carbon dioxide used for photosynthesis, although too much Co2 is bad
And a whole host other shit that i cant be bothered listing :):)
Don't forget, carbon is also one of the main parts of gasoline!
Im not sure of the reason why slide throttle dont give as good modulation as butterfly valves, i think it has to do with the shape of the intake port as they are opening up.
Yes, they dont impede the port at all at full throttle, but at part throttle, the entrance into the runner is offset greatly to one side of the intake runner. This might have something to do with it.
Also there is a much large area of friction with the throttle plate running inside the mechanism as opposed to the small pivot area of the butterfly valves.
I dont know about their responsiveness, im sure its pretty good tbh, but its the modulation that id be worried about.
It really depends how you like to apply the throttle.
I remember from an F1 article with ferrari, they were describing how they set up the pedals for schumacher and barracello.
Barracello liked his pedals to be basically on or off, whereas schumacher like his to be really sensitive, with much more resolution in throttle position.
Just shows that two very experienced drivers can have very different tastes for throttle modulation.
I was thinking about the opening being offset to one side, and wondering how that might affect anything, but I still can think of any good theory to why it might cause a problem.
The issue of friction is probably very small if the slide throttle is well designed.
And I'm also wondering if the throttle modulation is really as bad as what it's cracked up to be. The only sources I've seen it from are people stating it online, but never from anyone with supporting evidence.
The reason that the slide throttle are hard to modulate is because the intake runner area increases/decreases greatly at some positions. Friction shouldn't be much more than a conventional throttle if the slide throttle is designed properly with bearings but maintenance/greasing is much more important. I'll see if I can find a good photo of one design.
Edit: Found a page but only thumbnail photos, the bigger ones does not seem to work? One good pic on the frontpage though http://www.scheel.ch/ its under "Motorsportteile".
Great link! I downloaded all those photos, hehe, might use them for future use.
And I did the math for the area for air to pass through as you increase the throttle. I found that, when the throttles tubes are circular and the sliding plate has circular openings(just like the M3 slider throttle in the link you posted for example), the area for air to pass through increases directly proportional to the throttle plate movement. For example, move the the slider plate halfway through it's range of motion, and the throttle opening will have half the area of its maximum.
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I think it has to do with the flow around the plate when it is semi-closed.
You see, air flows in onion type layers, This is called laminar flow.
The outer layers will flow slower due to surface friction, whereas the inner layers will flow faster as the friction it receives is allot less then the outer layers.
Without getting into a discussion about thermodynamics, i believe the throttle plate sticking half way across the port creates turbulence as the layers mix and the air tries to squeeze through the gap.
Im not sure exactly why this effects throttle response but i assume it has to do with the time it takes air to get from the plenum to the combustion chamber, and this plate blocking the way acts like a sudo-chicane, to what preferably would be the straght road of your intake runner.
Have a look here for some useful articles:
http://www.profblairandassociates.com/RET_Articles.html
And I'm also wondering if the throttle modulation is really as bad as what it's cracked up to be. The only sources I've seen it from are people stating it online, but never from anyone with supporting evidence.
The problem with slide throttle bodies, is that anybody who can justify the expense of buying them is going to keep information to themselves.
Therefore, for the people who do give information out, the information will generally based on limited experience or word of mouth.
I dont have any hands on experience (yet :) ) of slide throttle assemblies, so what i know about them is based on things i've heard and theoretical ideas.
Paul
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Well I have to admit I have no first hand experience myself of slide TB's and this time only passing on the information that people told me :(
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Well I have to admit I have no first hand experience myself of slide TB's and this time only passing on the information that people told me :(
You're not alone!:rolleyes:
I think it has to do with the flow around the plate when it is semi-closed.
You see, air flows in onion type layers, This is called laminar flow.
The outer layers will flow slower due to surface friction, whereas the inner layers will flow faster as the friction it receives is allot less then the outer layers.
Without getting into a discussion about thermodynamics, i believe the throttle plate sticking half way across the port creates turbulence as the layers mix and the air tries to squeeze through the gap.
Im not sure exactly why this effects throttle response but i assume it has to do with the time it takes air to get from the plenum to the combustion chamber, and this plate blocking the way acts like a sudo-chicane, to what preferably would be the straght road of your intake runner.
Have a look here for some useful articles:
http://www.profblairandassociates.com/RET_Articles.html
The problem with slide throttle bodies, is that anybody who can justify the expense of buying them is going to keep information to themselves.
Therefore, for the people who do give information out, the information will generally based on limited experience or word of mouth.
I dont have any hands on experience (yet :) ) of slide throttle assemblies, so what i know about them is based on things i've heard and theoretical ideas.
Paul
Good info, and thanks for the link to the articles.
And about the turbulence cause by the sliding plate, I wonder what would make it any different than that of a butterfly throttle. It would be a major disappointment to spend money, research, and time on something that had a major flaw in it.
I'm going to try and ask my neighbor next time I see him since he is an expert when it comes to race cars. He does the prep work for a PTG E36 M3 and a Renault Formula V6 car, so I would hope he knows what he's doing at least!
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i see, i see!! i think i have to take some pics of the dtm m3 e30 sliders and talk with my engine-guy...
by the way... on my s42 pics you see a slider throttle too...
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finally i found a video with the S42 powered e36, from which i took the pics..
enjoy..
http://www.youtube.com/watch?v=fHzH8L9R4Q8&feature=related
a famous hillclimb race in switzerland.. 20min from my home!
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finally i found a video with the S42 powered e36, from which i took the pics..
enjoy..
http://www.youtube.com/watch?v=fHzH8L9R4Q8&feature=related
a famous hillclimb race in switzerland.. 20min from my home!
Damn, that BMW and Opel are fast, especially considering they have "only" 2-liter engines. Those drivers are also crazy good.
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i like the sound!!i could fit a s42 in a e30 318is?... hmm.. i have to think about that!!:D
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The S42 is so awesome, I just really wish there was some widely available crankshaft with an 85mm stroke to put in a normal M42 engine. It seems like just about the only thing that isn't commonly available that you would need to replicate the S42.
86.5mm bore and pistons aren't too hard
carbon intake manifold can be made without too much effort
slide throttle doesn't seem too bad, just a little designing and machining
head needs some porting, larger valves, cams, and solid lifters
engine management, (I'm already working on this :D)
But that 85mm stroke crankshaft is the hard part. Anyway to modify a crankshaft to either increase or decrease stroke? Like add 2mm to the M44 crank or remove 3mm from the M47 crank?
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Great thread great topic great pics. Can't wait to see how things go.
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i like the sound!!i could fit a s42 in a e30 318is?... hmm.. i have to think about that!!:D
an original one!!!! :D
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i like the sound!!i could fit a s42 in a e30 318is?... hmm.. i have to think about that!!:D
an original one!!!! :D
You confuse me. :confused:
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I finally got to see a 320i STW with an S42 engine! I spent a day at the nurburgring and then the night in the nearby town, which had a BMW M Test Center with two race cars in the front. One of which was an E36 320i STW, the other being a similar race car, but diesel.
(http://i187.photobucket.com/albums/x115/mkodama/DSC_3859.jpg)
(http://i187.photobucket.com/albums/x115/mkodama/DSC_3860.jpg)
(http://i187.photobucket.com/albums/x115/mkodama/DSC_3861.jpg)
(http://i187.photobucket.com/albums/x115/mkodama/DSC_3863.jpg)
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the nearby town you speak of where those pics are taken is nurburg dude. Did you get any laps in? Only been 3 months since last trip in the 2.1, but already really missing the place. Can't wait to get out there again. There's a trip I'd like to join in Oct, I have a new engine to fit and run in if I'm going to make it in mine by then so may have to psgr! I've also been having evil thoughts about swapping to an e36 chassis.
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There's a trip I'd like to join in Oct, I have a new engine to fit and run in if I'm going to make it in mine by then so may have to psgr! I've also been having evil thoughts about swapping to an e36 chassis.
I'm planning trip to Nurburgring this fall in my E36 318is to earn the Ring sticker for this car, maybe we can have a M42Club EuroCon :D
I was there some years ago and they did have different E36 racer on display then, propably from 1994 season. This one has later standardized aero package so it must be 1995 or later model. If I could just remember when Goldeneye was a new film...
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sounds good to me. What dates are you thinking? Have you track driven any e30s? need... input... input!!
http://www.m42club.com/forums/showthread.php?t=6190
must decide what to do in the next few weeks as pistons, HG and rod bolts are somewhere in the atlantic at present, and as soon as they land it will be straight into the engine builders, so probably 2-3 weeks until engine build time! the e30 has to come apart as I knocked the sump off on monday and have bodged it back on, but is leaking really badly. I can't properly fix it without new upper sump, so might as well wait til engine rebuild!
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the nearby town you speak of where those pics are taken is nurburg dude. Did you get any laps in? Only been 3 months since last trip in the 2.1, but already really missing the place. Can't wait to get out there again. There's a trip I'd like to join in Oct, I have a new engine to fit and run in if I'm going to make it in mine by then so may have to psgr! I've also been having evil thoughts about swapping to an e36 chassis.
Haha, yes the nearby town was Nürburg. I guess I had a brain fart when I wrote my last post.
(http://i187.photobucket.com/albums/x115/mkodama/DSC_3855-1.jpg)
I got in 1 lap on the ring in my 2008 Ford Focus 1.6 rental car haha! I had a pretty good lap with the exception of when I pulled over slightly to let a honda and some motorcycles pass and the rear of the car slid off the track a little. Kicked up some dust and the car wobbled around a bit. But the carousel and some of the ups and downs on the track were amazing. If I lived closer, I wouldn't hesitate to get a season pass!
Only thing I am kicking myself in the side for was not getting a 'ring sticker. What's the etiquette on those anyway, does it only apply to the driver or does the actual car the sticker is applied to have to be driven on the ring?
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Only thing I am kicking myself in the side for was not getting a 'ring sticker. What's the etiquette on those anyway, does it only apply to the driver or does the actual car the sticker is applied to have to be driven on the ring?
That depends on who you ask :)
For some (like me) the sticker is car & driver combination dependend ie. you must drive the car on Ring to earn the sticker for that car. I have sticker on my M3 and I need to drive 318is there to earn the sticker for that too...
Then there are some that put sticker on their car after they have visited the service station selling them. Most liberal put stickers on their BMW's even if they have never been anywhere near the ring but because the car has been made in germany :D
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where are my s42 girls??
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So where can a guy buy that valve cover????.....wow!!!!
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order it through a friend at dealer... it will cost you a bit, don't remember but wasn't that high... IIRC something like 1000eur to 1500eur as there are different versions from 95 to 97.. as you're there "waste" other 2000-3000eur for the carbon fiber airbox... ah sorry then you need the ITB... but then there is the 5,5kg flywheel that's appealing and then other 2000euros for the crankshaft, and what about those 316'/300' camshafts for 1700eur? every lifter is 100eur, the oil pump is 2000euro, the last evolution exhaust manifold is 4300eur... for 8000-9000eur you should have a full S42 new exhaust ;D
PS.: I don't know if BMW make those parts anymore and a normal man can't buy them, you just need VIP friends (money naturally:)) in there or search in racing teams that use these cars, they have always spares for sale if you ask them :)
prices above where from oem bmw motorsport part catalogue :D
so how much money I wrote there?... mmm maybe with that money I would build an RWD homemade seveneque kitcar (aka locost, caterham lookalike just to give the idea) that weight less than 600kg with the power that I want and LSD and have a lot of fun, with all respect to M42 and S42:D
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I wasn't being serious. That car is just sick and I definitely don't have the kind of money it would take to have a car like that!
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no joke.. i know where to get the valve cover! hehe... 1500$ and it is yours...
my new cylinderhead is done... AND... my engine guy made me a s42 replica!! cut valve guides, fully ported and fresh valves seat.. looks exactly like the s42 pics i posted... hmm.. have to take pics and post!
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no joke.. i know where to get the valve cover! hehe... 1500$ and it is yours...
my new cylinderhead is done... AND... my engine guy made me a s42 replica!! cut valve guides, fully ported and fresh valves seat.. looks exactly like the s42 pics i posted... hmm.. have to take pics and post!
Ooo la la. Please do swiss! :D
Did you guys do volumetric or flow efficiency calculations before porting? Or how did you go about deciding on the amount of porting.
Thanks!
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It it true that a car with four doors is more rigid than a car with two doors ?
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no joke.. i know where to get the valve cover! hehe... 1500$ and it is yours...
my new cylinderhead is done... AND... my engine guy made me a s42 replica!! cut valve guides, fully ported and fresh valves seat.. looks exactly like the s42 pics i posted... hmm.. have to take pics and post!
take the pictures!!!
and off course let us see them..
I also sometimes have contact with someone who drives an e36 4d s42...
this guy:
http://nl.youtube.com/watch?v=H8_usOvpbz8
the pictures on the first pages of this thread are very simulair to the pictures I received from rolf...
everything is original bmw motorsport.... very very :eek:
320bhp on 10000 rpm ;)
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hehe... i know this video!! and yes... the pics! i forgot.. great, sorry!
the e36 on the pics is fully restored three years ago to original! fully stripped, body dipped etc.... cleaned with dry-ice..etc!! very nice car..
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after nearly 1 month of waiting i found the time this morning to take some pictures of the engine and the car....
take a seat and fasten your seatbelts the pictures of the car will blow your head off ;-)
Hello.
I would like to ask if you have some pictures to send me from this header?
Thank.
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Found this today...
http://cgi.ebay.co.uk/Bmw-m44-m42-race-engine-s42-replica-from-170-300hp_W0QQitemZ290308370268QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item290308370268&_trksid=p3286.c0.m14&_trkparms=66%3A2
Is it a genuine ad, do ye think?
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I think that these are interesting pics to add to this thread :D
All is for sale on ebay.de, I posted links.
E36 STW S42 HEADERS! 4-1-2 :)
primary diameter = 46mm
2x65mm exhaust pipes
http://cgi.ebay.de/orig-STW-Faecherkruemmer-BMW-318is-M42-M44-S42-E36-BTCC_W0QQitemZ330325501974QQcmdZViewItemQQptZTeile_ohne_Strassenzulassung?hash=item330325501974&_trksid=p3911.c0.m14&_trkparms=72%3A1229%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318
(http://i.ebayimg.com/23/!BRO+8vQBWk~$(KGrHgoOKiMEjlLmVOYOBJ9DTdp8zQ~~_1.JPG)
(http://i.ebayimg.com/17/!BRO+9WgB2k~$(KGrHgoOKi8EjlLm(rUzBJ9DThFVnQ~~_1.JPG)
(http://i17.ebayimg.com/05/i/001/44/ef/fdf5_1.JPG)
(http://i.ebayimg.com/11/!BRO++kwCGk~$(KGrHgoOKjQEjlLmVoWOBJ9DTsgo7Q~~_1.JPG)
(http://i18.ebayimg.com/07/i/001/44/f0/00b0_1.JPG)
(http://i17.ebayimg.com/03/i/001/44/f0/0145_1.JPG)
- STW S42 rear "silencer" with 2 cats:
http://cgi.ebay.de/orig-STW-Endtopf-HJS-BMW-318is-M42-M44-S42-E36-BTCC_W0QQitemZ330325510119QQcmdZViewItemQQptZTeile_ohne_Strassenzulassung?hash=item330325510119&_trksid=p3911.c0.m14&_trkparms=72%3A1229%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318
(http://i.ebayimg.com/10/!BRPE-cgCGk~$(KGrHgoOKjMEjlLmV-moBJ9DuSGidg~~_1.JPG)
(http://i24.ebayimg.com/03/i/001/44/f1/4050_1.JPG)
(http://i3.ebayimg.com/01/i/001/44/f1/41fc_1.JPG)
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Sexey! :cool:
Clearly they went for best possible flow after collector by using 2 x 63 mm (my exhaust is only 1 x 63 mm) piping and did not give need for backpressure much consideration :D
Might not be direct fit to E36 either because I think Supertouring cars had engine in different place and stock...
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The reason that the slide throttle are hard to modulate is because the intake runner area increases/decreases greatly at some positions. Friction shouldn't be much more than a conventional throttle if the slide throttle is designed properly with bearings but maintenance/greasing is much more important. I'll see if I can find a good photo of one design.
Edit: Found a page but only thumbnail photos, the bigger ones does not seem to work? One good pic on the frontpage though http://www.scheel.ch/ its under "Motorsportteile".
I know this is an old thread, but in case anyone stumbles on this with an itch for slides...
I had a '90 Yamaha FZR1000 that had slide throttles. I can't remember what size the mikunis were, but considering they were designed to flow at 11.5k RPM, they should be sufficient. :D
They were carbs, but with a little JB weld and a dremel, probably wouldn't take much to make them suited for fuel injection.
They operated smoothly, and I really didn't notice any negatives at partial throttle. But if you're building a track car, it really doesn't matter.
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About time this thread got a bump :) I noticed Conrad in NZ had some S42 parts for sale so I asked him to send me some more detailed pics. Still trying to find pictures of the pistons and crank, but this sheds some light on some parts I had not seen in detail previously.
(unfortunately) blurry picture of the solid lifters:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/155-5522_IMG_zpsb48da3a7.jpg)
Valves:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/155-5524_IMG_zps85519e9f.jpg)
Head Gasket:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5739_IMG_zpsb1c44535.jpg)
Connecting Rods:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5750_IMG_zpsc1e25c92.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/155-5521_IMG_zps854c5513.jpg)
Slide Throttles:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/155-5525_IMG_zpsde76c118.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5749_IMG_zpscf623ab9.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5748_IMG_zps6108d8a1.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5747_IMG_zps8ddbd3a2.jpg)
Dry Sump Pump Bracket:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5746_IMG_zps03bb71bc.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5745_IMG_zps4736ecc7.jpg)
Dry Sump Pan:
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/155-5519_IMG_zps79a7066f.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5741_IMG_zps23e4af51.jpg)
(http://i750.photobucket.com/albums/xx146/nhertlein/S42/157-5744_IMG_zps5cc0f088.jpg)
Enjoy!
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Drooool!
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Thanks for bumping an old thread. Very interesting read.
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All this time of lusting over fabled S42 parts and someone (Conrad) is selling bits, litterally 30 minutes from home....
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Found a couple of sites over the weekend. Though I would share for those who also crave s42 pics
http://www.richsport.hu/stw/
http://www.enginewhisperer.com/wp/?tag=engine
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Amazing job!
Even if it didn't have a holy grail powering it!
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Amazing job!
Even if it didn't have a holy grail powering it!
Hmm lists it as an S42..
The port pics were good, along with the other detail shots in the engine whisperer link. Interesting to see the engineering and expense in these cars
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Great post!
My fingers is itch to build a replica S42 after reading the entire post! :D