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It's now junk. Do not move the TDC mark. When the outer ring slips on the hub it no longer functions as a damper.

Buy a new damper and throw that one in the garbage.


Yup.

It probably hasn’t properly functioned as a damper in a couple of decades.

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads