Originally Posted by BenFenner 
Our clutches and whatnot are 250mm I think in diameter? I think the RWD stuff is 255mm or maybe some other setup is a little bigger. I've heard of people trying to use the larger setups. Having a larger flywheel and associated clutch and pressure plate means you can hold more torque the an otherwise identical clutch setup because of the leverage. I've heard there may be grinding of the bellhousing required....
As for the specifics, I'm sorry but I don't have them.
Thanks for the info, I'm gonna see if I can find some more info on this!
Originally Posted by Coheed I used a clutch very similar to the FX500. It only slipped in 4th gear on high boost. but i did end up with exploding transmissions.
when you start making good power, it is hard to find something that holds up. Especially around the 400whp+ mark. Our clutches just weren't designed for that, and are very small.
With a dowel conversion you can use the pp from a 4G63 from the older eclipse models. I had a pp built up using a 2400lb diaghram. With a slight pivot adjustment it got tons of clamp. Instead of ceramic material i opted for a semi-metallic puck with a fully caged sprung disc. It worked well, but that diaphram was stiff.
There are two ways to get the proper holding power: increase clamping force, or change the friction coefficient. Sintered iron works well, but it is normally packaged with a solid hub. And the engagement can be obnoxious, jarring, and noisy.
Good info, Thanks. The FX500 just sounds a bit too harsh. Its a lot easier for me to replace a clutch then it would be for me to get another p11 tranny. That 4G63 pp conversion sound interesting! Another thing I've never heard before!
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