Use at least a 383 stroker, RPM airgap intake, good heads (180/195 cc runners), cam 230 at .050 with a quick ramp rate, Basset or lightning exhaust, 9.5to 10.0 comp, tight quench area, FORGED pistons, and you probably won't even have to cut the impeller unless its a AA unit. Don't skimp on the quality of machinework, and you will piss off a lot of people! Try and half-ass it and YOU will be pissed off. TIMINATOR 623-877-8553