i have an act extreme (the big one) pressure plate, and a 6 puck unsprung disc. its the only one i could find torque specs on (468lbs/ft). so i dont mind high pedal effort or a copper disc, but right now i have both and its not cool.

what is out there that will hold the torque, and either be low pedal effort, or non copper disc?

thanks
mike

 

I have the same pressure plate as you, but I picked up a sprung clutch disc from Clutchnet. Its a 6-puck design and it engages and disengages very nicely. I've only driven my car down the driveway and back a few times, but this feels very similar to my "ACT street strip clutch" that I had on there before.

I plan on running this until I get the real transmission and a big turbo... well, I first have to get the car road worthy. I'll give someone $10 to come finish my car.

 

Mariah used the CFDF on their 20B, which is extremely soft yet holds well. Other than that, I think you will need a 2-disk clutch (Quarter Master, Tilton, OS Giken, etc.).

 

On my car, the CFDF lasted about 20 days. YMMV

I have the ACT clutch. The good news: It doesn't slip. The bad news: It doesn't slip--ever. There are times (slow start, in traffice, from a dead stop) when a little slippage is desirable. With a lot of practice, it is possible to finesse the clutch, so that first gear starts aren't traumatic. Once past first gear, just shift fast and smooth and smile a lot.

 

I don't think you need an insane dual disc clutch for your application. You're running stock ports and stock turbos with a pretty restrictive exhaust. I would just pick up the clutchnet disc that I mentioned above... its $155. If you don't like it, you can easily sell it or put it in another one of your cars.

If you are planning on putting a freer flowing exhaust, a single turbo and porting the engine (read: BIG POWER), then yes, an OS Giken triple disc clutch would be my suggestion.

 

i dont mind a multiplate, ive driven an os geiken and it was no better than what i have, the v8 guys make 400lbs feet and dont have copper, i want to have my cake and eat it too

mike

 

Yes, that happens if it is not installed correctly. Many people on this forum have blown their CFDF in a few days with their mostly-stock 13BT's. I think that Centerforce has some human factors engineering issues to deal with on this product.

 

i have heard that, acutally. it was something to do with the wieghts, as far as i can remember

mike

 

I don't know what the problem is, but a lot of RX-7 owners have trouble with the install. It probably is the weights, because that's really the only difference between it and other clutches as far as I can tell. The CFDF on my old TII is still going on strong after over 3 years.

 

Sorry Mike, but you have to bite down and get a multi-disc clutch.


-Ted

 

hey ted hows things? when i find the organic twin plate i'll let you guys know =)

mike

 

I know someone selling an OS Giken tripple plate clutch for ~1600 if anyone is interested.