Unusual Hemi Timing Setting....

MoparLeo said

That will get you to a few degrees but not real accurate. There is a lot of duration at TDC and that is why you have to go both ways to find the center of TDC.

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....and of course you were exactly right. We were 35 degrees off. That's when I just grabbed the distributor and twisted it until it ran right and bam there was the correct timing mark in the light. So just goes to show how important using a piston stop really is. I know that of course, but just could not find mine. Naturally I found it the next day. LOL