Monster motors were the order of the day in the late 1960s, and GM's 427 was a part of that class. The drawback to a big-block's burly output was, and still is, the increased weight of the engine.

it's also one of the largest displacement engines Dodge has ever made. This cast-iron big block V8 has a displacement of 7.0 liters, or 427 cubic inches, and comes in four variations. The version ...

Chevrolet initially introduced a new big block line of engines in 1965 with its popular 396 and slightly larger 427. This ...