new member here, just got finished with my new 408w, specs are motorsports sportsman block machined to 408 cu. in. all steel, alum pistons, 9.8.1 comp ratio, comp cam hy roller 288-293-236-242-555-576-108,roush 200 heads with 250cfm@ .500 lift, 180 on the .ex,263 and 186@.600 lift, 67.5 chambers, 206 int port c.c.,1.6 rockers, vic jr manifold, 750HP DP, 1\3\4 hookers,msd billet dist, eletric fan my old 408w made 400 hp, and 380 ft lbs@3000, hope this motor will bring better numbers. street car 69mach1 c-4 JPT full manual 10' converter, 3.50 posi, x-pipe 2chamber flows, 2.50 ex. alum driveshaft, global west sub frames, torque thrust11's 275-15-60 back, 225-15-60 front, 1' lowering springs in front, time for bigger brakes.