Re: 250 HEI Timing, vacuum advance question
Did you check to see if TDC on the balance is true TDC? I have seen balances spin and that will throw your timing off. Also is your engine stock or has it been rebuilt? In my 292 I run about 8-10 degrees of static timing. I also put an HEI curve kit in it and I am running the lightest springs so my mechanical advance comes in faster.
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