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Author Topic: m42 KOMPRESOR!!!! UPDATE!!  (Read 12477 times)

SkidMark

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m42 KOMPRESOR!!!! UPDATE!!
« on: October 10, 2014, 02:33:25 PM »
Well guys after weeks of work, an almost cut off finger, and many many beers, the Mercedes supercharger project is almost complete....Here is a few teaser pics for you before I tear it all apart again. (it is still in mock up and a few pieces need paint), I am also waiting on either a rrfpr or a custom tune chip..(HINT HINT....BARRIE FROM MIDNIGHT TUNING!!!!!!!), a bov, and a wideband 02.. THE END IS IN SIGHT!! I really hope it works!!  Skid

Here is a list of parts (so far)
Mercedes Eaton m62 supercharger
custom sheet metal intakes
4 weber velocity stacks
LS-1 32# injectors
stock e30 m42 lower intake
timing belt idler bearings from a v6 Toyota
6pk-1965 serpentine belt
3 cases beer
2 boxes of band aids and a tube of neosporin
« Last Edit: December 23, 2014, 11:42:09 PM by SkidMark »
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1970 BMW 2002, 1988 BMW 325ix, 1979 BMW 320i m42 powered race car, 1969 BMW r75 cafe bike, Greasy fingers, Empty bank acct, Pissed off wife, Unhappy dog, Filthy garage.

SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #1 on: October 10, 2014, 02:45:43 PM »
My finger after a month!! Grinders with cutting discs and no guards are dangerous kids!!! Ground a 1/4in wide gouge down to the bone, not pretty...Skid
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Darky

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Re: m42 KOMPRESOR!!!!
« Reply #2 on: October 10, 2014, 04:43:58 PM »
Nice Skid
My finger hurts looking at yours!
Love the materials list, beer!
Did that m62 have a electric clutch? Mercedes do I recall.
Will there be uneven flow between cylinders with 1&2 getting the most?
What level of boost are you going for? Gearing for m62?
What advantages will the wide and sensor give you I have mine hooked up to a guage pod, only.
But there is 2 outputs?
Cheers Rohan
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #3 on: October 10, 2014, 05:15:15 PM »
Yes electric clutch, will wire to 12v switched. Im not sure about uneven flow between cylinders but the downing Atlanta manifold is pretty much the same as my design (a log) with no velocity stacks.. I used the velocity stacks to try and get the intake runners a little longer and smooth out the flow. I am no flowbench but it seems right in theory....  Shooting for 5psi boost with the stock Mercedes pulley..  Plan on using the narrowband emulator portion of the wideband to replace the stock narrowband 02 sensor, then use the wideband to run a gauge for better tuning.. Skid
« Last Edit: October 10, 2014, 06:13:29 PM by SkidMark »
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #4 on: October 10, 2014, 06:11:32 PM »
Yeah!!! My blow off valve just showed up! Thanks dude in the brown truck and tight brown shorts!! ...One step closer to BOOOOOOST!!!  ...Skid
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bmwman91

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Re: m42 KOMPRESOR!!!!
« Reply #5 on: October 11, 2014, 10:35:50 AM »
Very cool! I like how you made use of a lot of the stock intake parts, and the generous amount of free space in the E36 engine bay. I have always wanted to try to do an M62 retrofit.....always-on-demand boost is a nice thing!
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #6 on: October 12, 2014, 09:55:12 AM »
Quote from: bmwman91 on October 11, 2014, 10:35:50 AM
Very cool! I like how you made use of a lot of the stock intake parts, and the generous amount of free space in the E36 engine bay. I have always wanted to try to do an M62 retrofit.....always-on-demand boost is a nice thing!
I wish it was in an e36!! They have tons of room in the engine bay! It is in an e21 320i,  NO room! It fits like a condom nice and snug... I even had to go to a remote brake fluid reservoir the intake sits right on top of the master cylinder.... Skid
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Tgoode318

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Re: m42 KOMPRESOR!!!!
« Reply #7 on: October 12, 2014, 10:08:26 PM »
skid, I like your money saving fabrications! post some pics of that e21 :_)
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #8 on: October 13, 2014, 08:39:54 AM »
Well it looks like i f'd up and bought a blow off valve and not a bypass valve. I did not know they were different. I guess a bypass valve is open under vacuum but a blow of valve is not??? I figured they would both be open under vacuum.. maybe someone can verify? Since the supercharger will be making boost at idle it needs to have a bypass to send the boost back into the intake. The blow off i purchased is a recirculating valve, and opens with vacuum but im not sure how much vac it takes to open it. Will there be enough vac at idle to keep it open? This shit is confusing. A mind is a terrible thing to develop without an education!... Skid
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doitover

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Re: m42 KOMPRESOR!!!!
« Reply #9 on: October 13, 2014, 10:37:50 AM »
Doesn't the M62 have an internal bypass that used engine vacuum to control?
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #10 on: October 13, 2014, 02:42:08 PM »
Quote from: doitover on October 13, 2014, 10:37:50 AM
Doesn't the M62 have an internal bypass that used engine vacuum to control?
The mercedes m62 uses the electro clutch to some how turn on and off the compressor for bypass.. I think..
I got the proper bypass valve today fron a audi 2.8 turbo.. the wrecking yard gave it to me free.. it should work just dandy!!!......skid
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Arthur

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Re: m42 KOMPRESOR!!!!
« Reply #11 on: November 10, 2014, 12:58:54 PM »
From what part the red one is building? A e30 intake pipe or e36 one?
Thinks
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SkidMark

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Re: m42 KOMPRESOR!!!!
« Reply #12 on: November 10, 2014, 07:50:24 PM »
Quote from: Arthur on November 10, 2014, 12:58:54 PM
From what part the red one is building? A e30 intake pipe or e36 one?
Thinks
Not sure what you mean??? Sorry...skid
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Natcho

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Re: m42 KOMPRESOR!!!!
« Reply #13 on: November 11, 2014, 02:02:18 AM »
I think what Arthur want go know is from which engine comme the admission parts where the injectors sits, that you actually painted red, is that from m42 e30, m42/4 e36?
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Arthur

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Re: m42 KOMPRESOR!!!!
« Reply #14 on: November 11, 2014, 05:57:10 AM »
Exactly! Sorry for my bad english...
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