Ive got 73 duster 318 727 3.55 gears with 8 1/4 rear end
its got a 318 bored .30 over with stock heads ported to fit intake manifold
holley 750 vacum secondaries, edelbrock performer intake, headman headers, flowmasters, and a mopar purple shaft cam 292/292 duration with .508 lift for both...