360 Crate Build
I have a Mopar performance crate motor # P4876908 basic cr 9.5:1 but Mopar catalog states 9.1:1 with “A”cast iron 70cc heads, ( which I will be using 596 or 587 not sure yet. Thinking of the 596 due to the no lead ex valve seats.)
This will be going in a 71 Demon
With factory...