Quote:
Originally Posted by White_SS/RS
From what I'm gathering from all the clutch problems guys are having is its the clutch itself. With the weight and power of our cars the OEM clutch doesn't have enough holding power to not be slipping to some degree when used hard. This in turn overheats the assembly, boils the fluid (which is why the pedal goes to the floor) melts the release bearing support and then destroys the release bearing, which requires replacing the entire slave because it's one unit.
Changing the fluid helps-slightly, only because it keeps the boiling point up. The issue of heat is still there. In my case the release bearing and support went before I had the pedal going to the floor but I was changing the fluid regularly.
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The only people saying that the clutch isn't powerful enough to handle the torque of our motors is a company that makes replacement clutches. And many of us aren't buying that excuse since being at the track doesn't impart any additional torque on the clutch over a good on-ramp romp. The most clutch-abusing form of auto-sport is drag racing, and the stock-powered SS and 1LE guys are having no issues with the OEM unit.
My stock 1LE clutch doesn't slip at any rpm in any gear. It's easy to tell, you'll see your revs increase without any actual improvement in speed. There was a "It's fixed!!" hooray in the big clutch thread after the after-market clutch was installed, but that only lasted a few weeks - it's happened again to that person.
It appears that our problem is water in the lines, and it is being suggested that people flush their clutch fluid before and after each track event (big PITA as you know since you replace regularly). Air is being introduced into our lines under hard use, getting very hot, and forming condensation as it cools.
Fix the air leak, fix the problem. Caps, hoses, fittings, clamps.