318
.30 over
fully ported j heads with 1.88/1.6 valves
284/484 mp cam
ld4b intake
750 dp
carter fuel pump
spitfire headers
2-1/2 exhaust xpipe
4 speed/custom 10 inch clutch
3.23 gears
13.71@101mph in my 64 valiant
keep the 318 and get some heads and a good size cam, etc.... you...