Mickey Thompson Twin-Tempest
Two-cylinders. One 2-71 GMC roots blower. A single Hilborn fuel injector. One magneto. Some nitromethane, and a dynamometer. The resulting 257-horsepower engine shown here was created by taking an already halved Pontiac Tempest four-cylinder engine and halving it again. The cylinder head and block were sealed off by aluminum plates after their appointment with the […]