I have a 1982 merc chevy 305 with a flat cam. My plan is to put a new cam in for now, crate engine later.
Current engine has compression of 143-151 psi, leak-down test of 6%, 10%, 10%, 12% through the rings, and 8%, 9%, 17%, 17% through rings and intake.
There two cams I am looking at spec...