So I put a GMPP stage 2 in my car about 6 thousand miles ago broke it in right and everything seemed fine no slip. My car made 290 hp on PSIs dyno near me so the clutch should have been fine. well I was driving down the highway and all the sudden m car starts vibrating really bad I push the clutch and it doesn't stop so I pull over and get my dad to come get me with the trailer. get the car home and drop the trans and get the pressure plate off. I find that the center of the actual clutch is blown apart (the splined part where the trans goes in) so my first thought is the main shaft is bent in my trans I press the cases apart and spin it on my lathe. perfect. so my only explanation is the clutch was defective but I don't like settling with that lol I really would have liked to see a real reason as to why this happened anyone ever have anything similar happen? btw I was going 70 miles per hour just cruising when it happened no WOTpulls or anything just going normal in 5th. oh and the clutch looked new still little to no wear on the actual clutch portion

 

have you checked all the springs in the clutch and the pressure plate?

 

damaged on install; or even more likely, damaged by dyno. Who ran the car on the dyno; not decoupling clutch on over run after a pull. You MUST declutch on the overrun on dyno.

Imho, its not the fault of the clutch.

 

sorry powell new to the whole fwd thing....by declutching do you mean not pushing in the clutch and letting it slow the car down......or do you mean pushing the clutch in after the pull.....sorry guys dont hammer me over this trying to learn here

 

theres a stage 2 gmpp clutch?

 

there is no stage 2 GMPP/ Declutch/ push the pedal in. If you dont the weighted rollers tear the center out of the clutch toot sweet.

 

i figured, i looked at CED before i posted haha

 

yeah, not stage 2. Just an upgraded clutch.

 

If anything see if you can get the clutch warrantied. This happened to a friend's car with a different brand clutch and the company that made it warrantied it.