What kind of intake manifold are you using? Did you get an adapter that allows a 4 barrel to be bolted on to a 2 barrel intake? I don't really like that method. So maybe an intake and the headers plus exhaust would be a good addition right now. Try an RPM manifold, Or the Weind action plus. Then if you want some an extra ump the cam would be nice also. The stock cam on the 289-302 just doesn't cut it. With 184 duration and a .3__ lift.
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67' Fastback-Mean Temper
67' Coupe Under Construction
70' Torino Cruiser
84' Svo Original
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