Who has done M20 FW to M42, I have a Q

[golde30]

very, dependent upon cost. how many bolt holes are in it? part number? weight?

$100. 8 bolt holes to crank. its offa 89 325is. dunno about part #. weight is whatever it weighs stock....

[dvmotorsports]

$100. 8 bolt holes to crank. its offa 89 325is. dunno about part #. weight is whatever it weighs stock....

unfortunately it won't work. i need 6 bolt holes. this is the main part of the controversy. all m20 motors have 8 holes and all m10/m42 motors have 6 holes. the pic on zen's sight shows a 6 hole single mass indicating that it came off of a 4 cyl as opposed to a 6cyl. but the description is that of a 6cyl and matching part number to a 6cyl automatic flex plate.

a bit scattered, but i think you get the point.

[golde30]

thats strange, b/c i sold an m20 flywheel to a user here who put it on his m42 no problem....

[dvmotorsports]

yeah this shit is all confusing to me. if it turns out i'm wrong, i'll hit you up for it.

[LovableSheep]

A guy in this thread mentioned a euro M42/M40 single mass flywheel. I wonder if there is a way to figure out which one that is and if it would work/be possible to get in the US. It seems like all the M42 and M40 flywheels listed on RealOEM show up as dual-mass, even the euro ones.

[dvmotorsports]

A guy in this thread mentioned a euro M42/M40 single mass flywheel. I wonder if there is a way to figure out which one that is and if it would work/be possible to get in the US. It seems like all the M42 and M40 flywheels listed on RealOEM show up as dual-mass, even the euro ones.

almost all e30 flywheels in the ETK (bmw parts catalog) show up as dual mass. there are a few single mass units, but they are early e30 84-86ish. i don't want to risk the wrong part again. my boss might get pissed off since they pay the shipping (i had the one today overnighted from NJ to CA).

[dvmotorsports]

thats strange, b/c i sold an m20 flywheel to a user here who put it on his m42 no problem....

actually i was informed incorrectly again. the M42 is an 8 bolt. My shop foreman is becoming senile.

and does anyone know of any update to this yet?