For what it’s worth, following are the specs on mine. I think we’re at 300 or 325 at the flywheel. It runs right out, starts well, drives easy, and has always been dependable. Gas mileage is poor, but it's fun grin .

350 bored .030 over, flat top pistons, 64 cc double hump heads (194 intake, 160 ex), full roller rockers, comp 286 magnum cam, Holley 650, Edlebrock RPM Air Gap intake