Your #16 heads are likely going to be closer to 80cfm+ than 72cfm. If your block wasn't decked/resurfaced, you are likely to have your pistons .008-.015 in the hole as well. Measure both of those to verify and come up with actual compression instead of advertised. I'm betting you will be fine with what you have.
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 Johnny US Army Retired
1978 T/A 463 Pontiac, KRE 74cc 300CFM D-ports, Howard's custom SFT, Nash Intake,QFT 950 E85 carb, TCI TH-350, 4200 converter 3.73 12 bolt [email protected]
1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car.
1972 LeMans 350 Pontiac H/S Drags project
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