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Author Topic: The S42 Race Engine !!!!  (Read 163068 times)

beegeezy

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The S42 Race Engine !!!!
« Reply #105 on: April 30, 2008, 11:29:12 AM »
Quote from: swiss318is;48144

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
Quote


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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colin86325

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The S42 Race Engine !!!!
« Reply #106 on: April 30, 2008, 08:53:36 PM »
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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swiss318is

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The S42 Race Engine !!!!
« Reply #107 on: May 01, 2008, 08:33:03 AM »
Quote from: colin86325;48246
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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RouteZeroDesign

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The S42 Race Engine !!!!
« Reply #108 on: May 01, 2008, 02:01:49 PM »
Quote from: swiss318is;48144
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!!

Quote from: swiss318is;48144
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!
« Last Edit: May 01, 2008, 03:15:47 PM by RouteZeroDesign »
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RouteZeroDesign

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The S42 Race Engine !!!!
« Reply #109 on: May 01, 2008, 02:03:06 PM »
Found some more pics.....the more the merrier and all that :):)




A good picture of the crank pulleys :):)
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Letsplayskatch

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« Reply #110 on: May 01, 2008, 04:35:12 PM »
Quote
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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RouteZeroDesign

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« Reply #111 on: May 01, 2008, 05:05:04 PM »
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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mkodama

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« Reply #112 on: May 01, 2008, 05:53:33 PM »
Quote from: RouteZeroDesign;48298
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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Letsplayskatch

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« Reply #113 on: May 01, 2008, 06:36:01 PM »
Injectors on my dads trackday S14B25 M3 engine.



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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mkodama

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« Reply #114 on: May 01, 2008, 06:51:35 PM »
Quote from: Letsplayskatch;48302
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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e30 4cyl

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The S42 Race Engine !!!!
« Reply #115 on: May 01, 2008, 09:56:46 PM »
Quote from: mkodama;48304

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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swiss318is

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The S42 Race Engine !!!!
« Reply #116 on: May 02, 2008, 03:24:38 AM »
Quote from: RouteZeroDesign;48286
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...

Quote from: RouteZeroDesign;48286
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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swiss318is

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« Reply #117 on: May 02, 2008, 03:26:36 AM »
Quote from: mkodama;48299
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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swiss318is

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« Reply #118 on: May 02, 2008, 03:28:38 AM »
Quote from: RouteZeroDesign;48287
Found some more pics.....the more the merrier and all that :):)




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...
« Last Edit: May 02, 2008, 03:35:59 AM by swiss318is »
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swiss318is

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« Reply #119 on: May 02, 2008, 03:34:35 AM »

a better pic of the flywheel... ;-P
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