m50 vs s50 what parts interchange?

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madmax1410
E30 Zone Newbie
E30 Zone Newbie
Posts: 88
Joined: Mon Nov 01, 2010 11:00 pm

Tue Jan 26, 2016 10:51 pm

as above i done shit load of research on power gains with the m20 turbo stroking cam's chips 6 branch ect ect.. i went through it all and as much as i love the old m20 it doesent make sense to throw

thousands of euro's into it for 10 hp here and 20 there! so im thinking the try'ed and tested route of an early m50 but i would love an s50! to expensive though! so what parts do interchange between an m50 and s50 for instance do they use the same engine block? just a different bore/stroke?

are the cylinder heads the same just with different cam profile's?

the main route im thinking of going which most think is the best will be single turbo m50 but i would like to do more such as s50 cams light weight flywheel/pulleys ect...

any info from those who have done these swap's would be great
ross_jsy
Married to the E30 Zone
Married to the E30 Zone
Posts: 7307
Joined: Sun Jul 12, 2009 11:00 pm
Location: Jersey, C.I.

Tue Jan 26, 2016 11:52 pm

Nothing is really interchangeable.

Tbh a turbo m50 can happily do 500hp before even changing internals
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