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-   -   m42 head w/m44 block (http://www.unitedbimmer.com/forums/e21-e30/2942-m42-head-w-m44-block.html)

e30boarder 08-06-2005 02:19 PM

m42 head w/m44 block
 
Ive been thinkin about throwing a supercharger on my car. I have a problem... the m42 block doesnt have a knock sensor ( i think thats what its called) The supercharger I want will blow my engine without it. Its meant for the e36 models I think. So I was thinking of finding an m44 block, but I want to keep my old head. When I bought the car it had overheated and cracked the head. I got it welded and then ported and polished. I'd rather keep my old head than start over again. Im pretty sure the heads match, but I thought I would ask and get some different opinions... thnx


Ill be pushing over 300 horses if it works :rock

DEATH2000 08-06-2005 02:33 PM

Welcome to the Forums!!!


If your blocks been cracked and re-welded im not sure a supercharger is good for it. I recomend since your supercharging it get a new block and head. What supercharger are you getting for it?

e30boarder 08-06-2005 02:36 PM

I found a guy down in Atlanta that makes a nice supercharger that runs off stock pullies and everything... I cant remember what its called... have his site saved somewheres on my other comp. But its gonna take me awhile to get the money together and everything... so its not likes it a big deal. I just wanted to get some ideas

DEATH2000 08-06-2005 03:01 PM

I think the company you mean is Downing Atlanta but im not sure. They have a really nice kit for the 4cyl BMW's for not alot of money. Supposed to take the stock engine to 200hp.

e30boarder 08-06-2005 03:01 PM

yeah thats it.... my bad

e30boarder 08-06-2005 03:02 PM

my engines almost up to 200 already so it would be a pretty nice set up

DEATH2000 08-06-2005 03:20 PM

Thats kool, what do u have on there already? And make sure if u get a supercharger your carefull, cause u dont wanna ruin 2 BMW's

e30boarder 08-06-2005 03:26 PM

well is just ordered a cold air intake for the car... that should be in sometime soon. i got the guy that worked on my head to match the intake and i got a full exhaust. the m42 comes with a stock header too so i suppose that helps. and theres a guy out in california who worked on my cams. its pretty quick for a four banger. im loving the gas mileage right about now too

DEATH2000 08-06-2005 03:37 PM

200hp is really good for a four banger, unless its the E30 M3 4-banger cause that comes stock with 200hp. But what sucks is the engine alone is $20,000 CDN and the tranny is $6,900

e30boarder 08-06-2005 03:42 PM

yeah... i want an e30 m3 so bad. i dont wanna knock the other m3s but i think the e30 looks the best. the wide body look is awesome.

one day ill have one.... i hope

hamann318is 08-06-2005 06:06 PM

The DAS doesn't fit the E30 M42 because of the pully system and the lack of knock sensors. M44s are crap, don't get one. Get the E36 M42 block as it's the same internals, just different externals.

munichman 08-06-2005 07:14 PM

what have you done to a M42 to push 200hp

e30boarder 08-06-2005 11:03 PM

i never said it had 200... i dont know how much horses it has. im just making a wild guess. read my mod list

DEATH2000 08-06-2005 11:20 PM

Stock on the M42 is like 135-140hp right?

e30boarder 08-06-2005 11:33 PM

yep.... 134 according to the bmw manual


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