Hear America's Only Nitrous-Boosted 24-Cylinder Supercharged DieselJustin Hyde12/01/10 1:00pm190EditPromoteGo to permalink California developer "Big" Mike Harrah already owns a 3,000-hp hot rod powered by a PT boat's V12. His next project? A Peterbuilt-based rod with a 24-cylinder Detroit Diesel, churning 3,400 hp via superchargers and nitrous. Un. Holy.