Professionally built engine at Ron's Custom Auto, 9k invested, best of parts 450/410 rwhp/trq on mild 15 psi boost, over mid 550 rwhp @ 24 psi on race gas. TRW 8-1 forged pistons, billet main caps, studs, fresh rods, bolts, ported GN1 alum. heads, roller 206 billet cam, roller rockers, ported...