If I may speak from experience... 5 times I replaced my clutch because of this exact issue... I can assure you that everytime we took out the clutch. It was fine. We replaced it ONLY because it was already out of the car. So back to your question ...why?? Well after a few trials and errors. Llamar walden racing in Atlanta found that thier was a issue with the DOT level that was in the system. I upgraded to dot 5 clutch fluid and no problem since. The lower dot fluid will heat and aspirate causing air to get in the lines and since it can't presurize air the same way it does fluid. The pedal goes limp. ANSWER .. dot 5 brake / clutch fluid. It's like Viagra for your clutch. It will keep your pedal up
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Originally Posted by Knowles' Z06
Can anyone explain why this weekend while at the SGMP drag strip my pedal would go limp...?
For the first time I used Mickey ETs drag Radials and they really seemed to hook nice 1st to 2nd and then 2nd to 3rd the pedal was on the floor board with in a second or so, it sprag back up...I have spoke n to some that say it was slipping from the heat and others that say it is a RPM and speed ratio issue...I wonder about the heat concept because itis not like I was drag racing all day there was at least 20-30 min usually longer before I was up again...Also it only happened here and there it seemed liike when I had a really good launch and the car was really sticking with a lot of pull....limp city
even though I have to figure this out I had a blast and put up a 11.395 at 127.8 mph not bad for a 1/4 mile with a limp pedal LOL 
Eddie |