3 years of building a 2003 GMC sierra s/c s/b and now I have a BEAST. 472hp/495tq at the wheels for now. 2002 .030 over LQ4 with 9.2:1 CP pistons, Manley rods, nitrited crank with keyed pulley. Ported and polished heads with 1.65 and 2.02 REV valves, Comp lifters, pushrods and 918 springs and Harland Sharp 1.7 rockers. Lingenfelter LS1-GT7 cam. JBA titanium coat shorties stock Y with 3" Magnaflow single. Radix fed with 2.8 pulley and twin heat exchangers. Permacool e-fans. 2003 4L80e with cryo treated internals and Art Carr shift kit with 3" heavy wall steel driveshaft and 4:10 posi rear. 20x8.5 and 20x10 Intro smoothies candy red powdercoat and 265/50 295/45 KDWS shoes. SSBC 4 pot front big brakes and Hotchkis bars front and rear. 4/2 drop by way of custom Deaver rear leafs w/ beltech notch and hangers and Eibachs up front. All blacked out with powdercoat bumpers and Speed grilles. Long tubes with true duals and 90-100mm throttle body next. Everything except tranny and short block done with my own hands. What else does it need....besides a few sponsors for trick paint and an interior....things that dont make it faster. Pictures to come soon.