My motor is a .030 over 440 with Indy SRs heads. It has a tight quench,.030. 11:1 compression. Pro systems carb,FBO dist 34 degress of timimg all in by 3200 RPMs. The inside of the intake the intake ports the tops of the pistons combustion cambers both valves and the exhaust ports have been thermocoated. 170 lbs of cylinder pressure. The car weights 3850 lbs 3.55 gears 2.77 1st gear. 28 inch tall tires and a tight converter. With 91 octane the motor is right on the edge. Oh 160 degree stat.