looking for advice on rebuilding a sbc 355. the block is a 350 4 bolt Goodwrench crate engine 2-piece rear seal that has been bored 0.30 over. the pistons are speed pro 345NP has a standard 3932442 crankshaft and stock vortex heads 062. looking for a good camshaft the would be good for the street. its going into a 81 Chevy c10 long bed with a 400 transmission and stock gears in the rear-end. any advice would be great thanks.