Ok here's what I have came up with for my 72 duster, will it work do I need to tweek it?
Stock forged 72 short block std. stock piston
Ported J's 1.88 1.60 valves 995 springs heads milled .020
MP thin headgaskets
Comp XE284H
1.5 comp adjustable rockers
Airgap intake
750 double pumper
4spd 4.10 rear gear