feeler s50 or m20 stroker?

[tylernaugle]

so I replaced my engine in my 325is and now that I have time I was tearing down the old engine, which I thought would be time consuming and pricey to fix. (no compression) then I found this. I was originally going to rebuild my s50 that came out of my m3 when I swapped a 2jz in it, but now im thinking of a stroker. opinions, advantages and disadvantages to both the s50 vs the stroker would be appreciated.

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[e30rapidic]

I built a 2.8 M20 stroker with M30 AFM, BMP chip, 19 pound injectors and cat back. Very smooth power curve and peppy....but it wasn't what I hoped for. I replaced it with a freshened S50 with 3.5 AFM, TRM tune and 21 pound injectors. Much faster, especially at higher speeds.

Go S50

[Poeman446]

Im a 24v fan so if you have the bread, go with the S50.

[Roysneon]

Fuck M20s

[mtech325]

Built m20's are cool, but 24v just makes life a lot easier (no timing belt and easy water pump access!). If it's a fun weekend car, then do as you please, but for a reliable daily driver, 24v all the way.

[justin_l_]

Don't post in the 24v section and expect people to say M20 lol. 24v is lower maintenance and good power.

[JRKOUPE]

built m20s def have a cool factor...and when done well they can be nasty fun...but expect 200 hp or so .....not much if any more w/o big $$$$$


I run an s50......much ezier to live with....and a worked m2o could cost more.

[tylernaugle]

I built a 2.8 M20 stroker with M30 AFM, BMP chip, 19 pound injectors and cat back. Very smooth power curve and peppy....but it wasn't what I hoped for. I replaced it with a freshened S50 with 3.5 AFM, TRM tune and 21 pound injectors. Much faster, especially at higher speeds.

Go S50

exactly what I was looking for and expecting. the only advantage i could think of would be the sound of the stroker.. was thinking about running m42 pistons in the s50 if i decide that route. read somewhere they gave a slight higher compression. now just need to see if somebody sells gasket kits for the s50 or if theres any insight on what I should replace when I rebuild (I guess it would be freshened up technically).

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[JRKOUPE]

tonsa sources sell gasket sets..

tonsa threads on how to refresh s50/52

Ill tell u from what I did and didnt do:

if you dont know its history...do a v job and hg.

new water pump and t stat.

if a 95, pre 10/95 do all new v.retainers

stabilize the oil pump nut.

knock sensors

do a new vanos refresh kit

etc etc etc