73 360 Ignition timing after Chain replacement

Gloyale said

The gear set I used only had 3 settings. I am 100% Confident I used the stock keyway notch and corresponding markings.

When I took this engine apart it had a stock Chrysler plastic coated gear set on it, with no adjustments. So there was really no reason to assume the cam was meant to use with anything other than stock markings.

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Once again, you know absolutely ZERO about "where" the camshaft is installed. It was very likely not installed in the correct position from the factory. They hardly ever are.

Do a search on how to degree a cam and read up on it. It's pretty important to get right. So much so that I'll never do another again without it, even stone stock.