Reply to "Dual Disc clutch"

To add to what has been said, in the case of a ZF, if you need a dual disc clutch to handle the increased engine power, then likely you are over the power handling capacity of the ZF?

You really want a fuseable link. You want the failure to happen before it gets to the ZF.

A dual friction disc is probably what you want to go with.



I can't think of one car that I have driven that I can't make the clutch slip momentarily on including the dual friction. In fact that thing when new is freaky with it's herky-jerky locking/slipping tendency.

CF will tell you to expect a 500 mile break in period but that doesn't help you in a race car where 500 miles might be on the next engine rebuild? It definitely can be made to slip very easily until broken in.

The thing will in fact cut itself into the face of the flywheel. You can catch you finger nail on the groove. Probably goes as deep as .010"?



Many of my "advisors" are drag racers. Many chimed in with me that the CF DF was good to about 800hp. These guys are using nitrous around 200 to 300 hp of it.



You need linings that are not going to glaze and a flywheel that is not going to react by creating high spots on the surface. Lots of people like the McCleod but that's almost because they are the only ones left building any kind of clutch for a "performance car".

The clutch disc IS the fuseable link. You can not re-engineer the car to the extent of changing that.



If the driver can't handle the equipment well enough to be competitive, change the driver.

If you want to re-engineer the car, consider putting in a Porsche PDK type transmission where the driver becomes the monkey that merely points the car in the right direction.