Equipped with the factory LS3 intake and FAST 92mm throttle body, the 415 stroker produced peak numbers of 627 hp at 6,400 rpm and 568 lb-ft of torque at 5,300 rpm.

The School of Automotive Machine (SAM) team has built an enviable reputation for building power with GM's LS-series engines, and they were out to show their capabilities at HOT ROD's 2015 AMSOIL ...