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Quote:

Im having a serious brain fart here. The timing degrees on the timing chain cover. There's 10 above zero and 10 below zero. Is above atdc and below btdc?


Above is before, below is after.




Depends on which fender you are looking over!

Driver side, you are correct.

Hillbilly timing tape the balancer and you can get readings up to 40* BTDC, no timing tape required.

Depending on how radical the cam is, yes 15+ is a decent starting point for ignition timing.