Kent, let me address the question no one has. You mention the cam is on a 110 LAS. That cannot be changed without either regrinding the camshaft or replacing it with another one with a wider LSA. The LSA is ground into the camshaft. And you're correct on more than one count. Larger cubic engines sometimes respond better to wider LSAs and especially with power adders like nitrous. It's not an end all be all though. What I would do is do a search for
@crackedback 's "Hillbilly timing tape" and do that to your balancer......unless it's already marked and it should be a good one on a 512, so you may not need that. Find TDC with a piston stop and verify the marks are correct. Then you can actually check the camshaft numbers without pulling much more than the radiator and pulleys.
