1.5 or 1.6 ratio how to choose?

RustyRatRod said
The answer is "it depends". I always choose a camshaft based on the rocker I am using, not the other way around. In other words, choose a camshaft with the lift at the valve you want with the rocker you have now. Otherwise, it's kinda a "band aid" for a camshaft that doesn't have the lift you want. If that makes sense.
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Im adding to upgrade as suggested. I have .513 lift cam now hyd roller. Im building a 392. I think I can stand some more lift if thats what is gonna happen to get roller rockers. It did not start off as this build it was going to be a .040 over 318 with heads and a cam.