I ran a 360 crate short block for years, still have it, at first I ran it with my W2 heads and a 590 lift mech. Cam it made around 535 hp and ran 10.70s after spinning a bearing on the cast crank I upgraded to a steel crank , and better rods and pistons same W2 heads and 590 lift cam It made 549 hp and ran a best of 10.40