Looking for input on where i should set piston to head clearance. 440-1 heads, molnar 7.1 h beams, Gibtech custom pistons line2line coated, stroke 4.315, bore 4.500. Power should be 925 hp, shift at 7400 max rpm 7600 rpm limit, trap rpm 7500 max. Digital 7 MSD for a rev limiter. What have you run at 4.5 bore and 7500 rpm?


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky