408w combo
 

just getting ready to fire up my new engine combo, little differant from the last one which put out 400hp and 380ft lbs@3000 rpms, same block A351, cast steel crank,H-beam rods, alum pistons from probe yielding 9.8.1 on comp, roush 200 heads flowing 250@.500 lift, 180.ex, 263@.600, 186.ex, 206 int port cc's, 1.6 rollers, 7qt oil pan, custom comp hy roller 288-293-236-242-555-576-108, vic jr manifold, 750HP, 1\3\4 supercomps, msd billet dist, edelbrock waterpump, romac damper, hope for 450 to 475 hp and good low end torque for street.

Sounds pretty bayad, you should post a video clip of it after you get it running.