69 Barracuda Clutch Shake Help Needed.

Killer6 said

I wasn't suggesting your clutch had to be cold or damp, I simply stated even some stock clutches behave that way under certain conditions. The finish on the flywheel & type of lining/hub are what I was addressing in your case. If mounts-etc. all check out, I have installed truck & Hipo discs that chattered no matter what you did, some racing clutches are either in or out,there's no "sliding" 'em.

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I see. I did have someone stand behind the car and watch the rear. The springs really seemed to move allot with torque applied. Kind of an up and down motion. I'm even wondering now, could it be possible I have a perch weld broken which allowed the pinion to go a bit positive. I also noticed that when I put the the adjustable snubber on and dumped the clutch real hard just to see what kind of rubber trail I could leave, I got allot on the LH side, basically till as long as I stayed in it. Not much on the right. I know that could be a rear gear issue. I do have a sure grip rear with 3.23's. Wondering if that's a clue.