Grant Fraysier likes to take his Hummer H1 and drag race it on dirt and sand. To get this beast moving as fast as possible he is having a new motor built by Steve Morris Engines. The engine is a 615 ci (10.0 L) big-block Chevy V8 with a monster ProCharger 136 supercharger attached to the front. Together with methanol the engine produces 3,029 horsepower and 2,006 ft-lb of torque on about 41 psi of boost.
Steve Morris explains the motor and shows it run on the dyno.
Grant racing his H1 with an older engine.
Source: Steve Morris Youtube channel