Stockish 340 upgrades, cam needed
Just a hypothetical from looking over flow numbers. A set of OOTB Edelbrock Magnum heads with a set of 1.7 (SBC) rockers on the .506 lift cam looks very good for a strong streeter with good drivability. Intake flow of around 250 CFM from .400 to .600 combined with the fast ramp cam with the bulk of the duration concentrated from the .200 lift sweet spot.