Check out the Haisley Machine Super B Cummins diesel pulling engine in the Automotive Racing Products booth at the 2015 PRI show. It delivers over 3,000 horsepower from a mere 391 cubic inches, thanks to triple turbos and water injection.
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Sleeper 1991 First-Generation Cummins Hits 660 HP On The Dyno
Driven Diesel tunes a first-generation Cummins to 660 horsepower. This compound turbo sleeper balances towing manners with massive torque.
