Offy's 327-inch Chevy test engine features forged pistons and moly rings, a roller cam and kit, ported heads and a Schiefer magneto. It put out 469 hp at 7500 rpm with the Super-Sonic manifold and ...

It's not very often that a manufacturer of high-performance equipment will invite you to his shop to view a dynamometer test on one of his new products; if he does, you know there is something worth ...