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.

The automaker's answer was a 7.0-liter, 426-cubic-inch displacement engine. It used the same block as Ford's earlier 427 FE V8 but incorporated numerous performance upgrades to improve power output.

Introduced for the 1959 model year as a range-topping model, the Ford Galaxie ... thanks to the big-block mills that had joined the lineup. When equipped with the 406- and 427-cubic-inch (6.6 ...

The Big Block ... The engine's legacy includes such classic nameplates as Chevrolet Impala, Chevelle, Camaro and Corvette with displacements ranging from the venerable 396, 409, 427 and 454 ...

A 383 V8 automatic takes on a 390 V8 four-speed, but the Mopar spews blue smoke all the way and goes slower with each of the three rounds ...