JWT clutch is just too damn good... unfortunately...

1slow370

from what i see the whole assembly is just plain bad and i don't have the slightest clue why the they would do this other than corporate resource sharing with renault and bureaucratic cost savings contracts with the valeo company (in france). after the problems with the hr engines you would figure they would do a redesign and throw the plastic POS out but no, they probably just upgraded the grade of pre-preg and called it a day. the other thing i noticed is that the csc has the fluid dampening restrictions built into it that is very likely the cause of many of the slipping clutches, and stuck disengagement problems as well i wish i could remember who it was that was at the track and his clutch got stuck to the floor cause this is for him. there is a tiny little oriface that actually feeds the fluid in and out of the piston. they make it supper small so that while clutch disengagement remains normal due to the high pressure as the clutch is engaging this tiny hole causes the clutch to slip due to slowing down the fluid as it returns to the master cylinder. on the street this means smoother engagement for novice drivers, on the track shifting quickly this means extremely elevated line pressure right where the stupid tiny O-ring between the steel sleeve and the plastic housing is causing more stress on the CSC during disengagement, and a stuck or burning clutch on the engagement.

This is a very common problem on 98+ gm vehicles with the ls v8's, documented in a few magazines but luckily for them their CSC is an aluminum piece not plastic, and GM put the restriction in the clutch line not in the actual part sou could just drill out the restriction with an 1/8th inch drill bit and you never had problems again until the bearing failed.

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