Quote:
Originally posted by WYT VNM
Have heard of some engine builders "degreeing" or advancing the cam. No-No on a street FE.
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All degreeing a cam is: checking the valves open and close at the same time the cam card says they do.
Advancing the cam can be fine, so long as all valve to piston clearance is checked.
It is possible you did check the piston TDC incorrectly.
The outer ring could be spinning on the hub of the balancer (bad)
Wrong timing pointer / misindexed
The balancer could also have rotated relative to the crank, this chews up the woodruff key slot on the balncer.
check #1 TDC again