e30 clutch/flywheel vs e36 components

[E-rich]

did some research but couldn't find a actual answer. so im starting my m50 swap soon and trying to put together parts. i have a oppurtunity to buy a jb racing light weight e36 flywheel for 200 bones. i was going to just machine down my e30 flywheel and use a sachs hd setup. what works better and what would you guys recommend.

[PiercedE30]

shit, for that price I would definitely pick up the jb flywheel.

[golde30]

yeah thats a damn good deal on the JB piece.

i am going to run a shaved down m20 flywheel, with an HD clutch on my s50 swap. we will see how long it lasts, if it does 20K miles, then i am happy.

[asubimmer]

I have the IE/Clutchnet sprung 6 puck e36 325is clutch w/ the e30 m20 flywheel ;)

[Erick]

I have the IE/Clutchnet sprung 6 puck e36 325is clutch w/ the e30 m20 flywheel ;)

Same here. I shaved my flywheel though. It gets the job done. :)

[E-rich]

after talking to a few more buddies im leaning towards a shaved e30 flywheel and a sachs hd setup until my horsepower requires more clutch. erick how light is your flywheel now?

[backtrail69]

+1 on the 6 puck with sachs HD. I love it. The flywheel going on the new motor is shaven as well. Currently its stock.

[Erick]

after talking to a few more buddies im leaning towards a shaved e30 flywheel and a sachs hd setup until my horsepower requires more clutch. erick how light is your flywheel now?

I weighed it at 13.5lbs.

[E-rich]

I weighed it at 13.5lbs.

word..im thinking mine should be around there

[Rev Engineer]

I started out with a shaved e30 325i flywheel with stock e30 clutch/PP. It weighed in at 16 lbs. Then I had a major PP failure. See:

http://www.r3vlimited.com/board/showthread.php?t=97012

Now I'm not taking my chances anymore and I'm going with a regular e36 lightweight flywheel and spring hub clutch disc. This PP failure really f'ed things up for me and I only want to remove the transmission again when the clutch wears out. YMMV of course. My PP failure could have been from a faulty e30 PP, or maybe the e30 setup just can't properly handle the power. I was driving the car hard at the track when it happened.

For $200 bucks I think it's a no-brainer to get the real lightweight one. That's cheap. I bought my Fidenza off ebay for about $360 and that was the best I could find.

BTW - The Fidenza weighs in at just under 12lbs.

Anyone want to buy a shaved e30 325i flywheel and nearly brand new clutch and throw-out bearing??

[E-rich]

dont think its a power holding issue..hmmm...matt325is runs 400 wheel torque through his e30 clutch and shaved flywheel. hes not nice to it either. unsprung 6 puck. no probs

[Rev Engineer]

Is that with a stock pressure plate?

Maybe I was just unlucky and got shit on by the bmw gods..

dont think its a power holding issue..hmmm...matt325is runs 400 wheel torque through his e30 clutch and shaved flywheel. hes not nice to it either. unsprung 6 puck. no probs

[Stu]

If you plan to do clutch kicks and hardcore use (judging by your sig :) ), I'd do it right the first time and get a race pressure plate. With the stock pressure plate you're going to run the risk of breaking the straps early on. A race plate with some sort of sport clutch disk (228 or 240) should be more than fine for an M50.

My $.02

[E-rich]

Is that with a stock pressure plate?

Maybe I was just unlucky and got shit on by the bmw gods..

um..im not sure to be honest..maybe thats why his is still together..he must have uprgraded..i know a hd sachs can hancle more than m50 power. we will see with backtrails build. hes shooting for around 400whp with sachs hd pp, clutch net disc and factory shaved flywheel.

[EtaSport]

my m20 flywheel/clutch took awhile to re-break in, but it seems to hold okay. the s50 clutch is indestructable though and i prefer it to the soft m20 clutch. perhaps an HD setup would have a better feel.