Diff gear recommendations

4spdragtop said

True. As I mentioned I probably over cammed it, but I'll have to live with that. I remember reading cam card when I linked it and saw the recommended gearing. 2nd one I've over cammed. I'm debating how I'm going to tackle this...OD trans...converter...gearing...where's my money gun??

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Well, I would say pretty much the standard 'go-to' for dealing with a too large of a cam is to advance it. You could do more than just 2-4 deg...just watch your CR, plug the optional advance numbers into a dynamic CR calculator and stay within the bounds of what your fuel will allow you to run.

Having said that, I would recommend running with at least a 3.91 gear. That motor, even once the converter lets it flash needs to be able to continue to climb the RPMs fast, and gearing is what will get you there.