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I installed a clutchmasters stage 2 clutch and when im going slow and downshift mainly only going into second or first, it also does it a little bit going in reverse it shakes some. I can only really notice it going into second but when i rev it up a little going into second and then let it out or im going fast and do it, it doesnt do it? Someone please help?

 
Rep Power: 298

What do you mean by shaking? Is it making any noise? Another question would be how many miles were in the car when you changed it / did the flywheel get resurfaced. Were the pilot and/or throwout bearings in good working order. I have a stage 1 with a billet flywheel and its mint and it grabs really hard but no chattering or vibration. If the drivetrain is vibrating and you can feel it I'd be concerned.

 
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no noise, 47,000 miles when replaced, i didnt resurface the flywheel, replaced the throwout bearing, and the pilot bearing looked good,

 
Rep Power: 298

Hmm maybe the flywheel is a lil warped. Do you know anyone with a stage 2 clutch, if its doing it while the clutch is engaging it may just be because of the beefy pressure plate grabbing and dragging ur engine below where the motor makes power. If I lug my car below 2500 rpm with the lightweight flywheel it vibrates like a MF when i try to accelerate. idunno kinda hard to say from in front of my computer. shoulda resurfaced the flywheel for peice of mind haha I always do.