[D-CEL]

For conversation sake let's take away some stoke and
raise the operating rpm a little
4.700 bore
Micro spherical dish piston @13-1 (I'll bet it would run on 91-93 octane)
3.750 stroke (520 CI) steel/billet crank
7.200 BME forged alum rod (1.92 r/s ratio)
Ported P51s (400+ cfm)
Titanium valves and retainers with Beehive springs
.937 Keyway lifters
Cam it to make peak torque at 5800-6k
And spin the thing up to 8500-8750rpm
325 drag radial and a 4.30ish rear gear
That would make an amazing cobra!

Jason