I gap my new 572 C.I. B1 NOS motor with .4.500 bore with .030+ on the top rings and .034+ on the second rings racing with E85 fuel and two NOS kits with around 450 HP total for them, 1000 HP on motor wrench
I'm hoping that is wide enough luck

Last edited by Cab_Burge; 11/24/22 02:32 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)