Originally Posted By dvw
Why 10.0-1? It might run on pump gas if the cam is big enough, might not. Either make it pump gas friendly for sure or crank it up.
Doug



I'm at 10.4:1 with steel heads, cam is 250@.050. went 2 steps colder on plug than factory and running 36* timing locked out. 93 pump gas with some octane booster here and there. no ping and no aluminum on plugs