Ok I'm about to put a turbo in my car I have the Turbo some baby 210cc injectors a dsm intercooler and hopefully I'll be able to pull off management with a FMU my question is, would it give me any gains to install an eta or 524td crankshaft into the car? I was hoping this should hopefully bump displacement to near 2.7 and retaining the 325i pistons should give me a ridiculously low compression ratio? Or should I leave well enough alone?
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Eta Crankshaft + Turbo + 325ic Do I need Pistons?
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well no shit intercoolers work.
i said the DSM intercooler....maybe you just skipped over that part.
The small square DSM intercooler found on eclipses and such may be small and compact, but it wont have the flow needed for a 2.7 turbo application. It is wrong to assume that any intercooling is better than NO intercooling.
-Ian
sporting an intercooler in the 325iT
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Awww but I liked the intercooler
Ok I'll ditch it and go get a front mount or something maybe take my AC out and mount one of those 940 Volvo intercoolers even though they are huge...
Ok I need connecting rods I can't just slap a crank in there? I took a motor out of a car at the pick-a-part to get my subframe its just sitting there I'll take the crank and rods if I need em.
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Originally posted by E30godzwell no shit intercoolers work.
i said the DSM intercooler....maybe you just skipped over that part.
The small square DSM intercooler found on eclipses and such may be small and compact, but it wont have the flow needed for a 2.7 turbo application. It is wrong to assume that any intercooling is better than NO intercooling.
-Ian
sporting an intercooler in the 325iT
ops sorry ian, i didn't see that dsm in front, your refering to the ones that came stock on the eclipses, yahs those things are tiny, no engough flow...
-cam
taking back waht he said because he made a mistake :)
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; ) no problem Cam!
Hortos,
I had to ditch the AC for my intercooler. I wouldn't go after the 940 intercooler either. Some site did a test on a bunch of IC's and determined that though it was big, it didn't flow very well either...notice how thin it is? Depending on how much boost you are running, you may think it advantageous to run without one. TCD is wanting to run 15 psi non-intercooled and i bet that that is higher than you wanted to run?
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if you use the eta crank the rods and pistons you want to use depends on what compression ratio you would like to recieve, in my eyes your best bet is to use custom pistons therefore you cna have any bore and compression ratio you would like. if i recall correctly, and the its your choice on which rods you would like to use.
for custom pistons visit
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oh and by the way lots of people stroke the m20 with and e36 m3 crank, out of an s50, but i think it needs some mod's to the block/crank? to fit it. maybe the McHenry's can shed some light of that form of stroking the m20. as i don't know much about it.
and in final, you could alwasy just buy a complete set from
but be perpared to pay top dollar.
hope that helps.
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