CHEVY 427 MARK II MYSTERY MOTOR

Posted on October 20, 2024October 20, 2024 by MartynL

Unlike the Z11, the CHEVY 427 MARK II MYSTERY MOTOR was not available in a car, or to the public. You had to have serious NASCAR cred to get one of the 20 built. In the 1960s, Semon “Bunkie” Knudsen always seemed to be one step ahead of GM Chairman Fred Donner’s anti-racing missives. While running Pontiac, he had supported the Super-Duty Group that later, after he left, managed to get 421 Catalina Lightweights to drag racers before the axe fell. Then he moved on to Chevrolet in 1961 and...

MARK IV: THE BIG-BLOCK THAT ROARED!

Posted on April 24, 2015May 15, 2017 by MartynL

A guide to the engine that made Chevrolet The Number One Team. Between 1965 and 1976, Chevrolet’s iconic big-block distinguished itself in all forms of racing, and on the street in Corvettes, Camaros, Chevelles, Novas and full-size Chevys. Big-blocks started out with cast-iron blocks and heads, progressed to cast-iron block with aluminum heads (L-88) and peaked with aluminum block and heads (ZL-1). L-88 aluminum-head 427 engine, top, in '68 Baldwin-Motion Camaro. Joel Rosen, left, tun...