Nothing like the sound of a small-block Ford screaming on the dyno! Check out this 331 stroker built by our man Mark Biddle at Panhandle Performance for a vintage Mustang being built for road racing and drag strip duties. It made 515 hp at 7,200 rpm and 426 lb/ft of torque at 5,200 rpm. You can read the full build up at mustang-360.com here: http://www.mustangandfords.com/how-to/engine/mdmp-1204-331ci-ford-small-block-engine-build-power-stroke/ | Mustang Monthly Magazine