My 505 makes 600 HP and sips pump swill 87 with no problems. shruggy

CNC ported stealths, 10.63 CR and very mild hydraulic roller.

I was more interested in big torque for the street.

I try to run 91 no ethanol in it most of the time, though.

'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.