The question was, "Can a new pressure plate be out of balance?"
The answer is, "HELL, YES!"
I have a borg&beck three finger on my '62 TR. When I rebuilt the
motor, I balanced all the reciprocating mass at a good machine shop.
He balanced the flywheel to zero with no problem, and then bolted on the
pressure plate to balance it as well.
The pressure plate, which was a 'new' rebuilt unit was so grossly out of
balance that the guy had to tack a little counter-balance on it.
I've regretted putting that thing on the car, but I was gung-ho to get the
car running and, well, you know how it is......
Anyway, don't assume a rebuilt unit is balanced.
The front fan hub and original 4-blade steel\aluminum fan can contribute
to vibration as well, BTW.
-jeffrey
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