Tech Q&A

FACT or FICTION? Chevy’s Big-Block Engine


FACT or FICTION? Chevrolet’s legendary big-block engine, like all legends, carries plenty of myths that require regular debunking to ensure rumor control. When it debuted in 1965, neatly tucked between the fiberglass wells of the Corvette, what was named the Mark IV powerplant carried a total displacement of 396 cubic inches and generated a factory-rated 425 horsepower. While the 50 ... Read More »