Originally Posted by 302/Z28
Back in the day we used to "power time" an engine. Once it is up to operating temperature raise the rpm to about 3000 and hold it there. Advance the distributor until the engine starts to misfire, then retard just a hair.
I remember doing this and I'm not that old. I remember watching older guys time their engines by ear, and actually learned something here and there from them that has helped me along the way.