Hugely impressive on the dyno, the LS6 engine of the Grand Sport certainly has more power and torque to give with the right ...

Pontiac's 455 H.O. and 455 Super Duty V8s were built to beat the Chevy 454 LS6 and became legendary, short-lived muscle car engines.

The 1970 Chevelle SS 454 LS6 arrived as a factory street car that behaved more like a race machine with plates. Officially, Chevrolet and General Motors called it a 450 horsepower midsize coupe, but ...

Jody Only is an author and photographer. Within the last five years in the auto industry, she has had bylines with TopSpeed, HotCars, LSXmag, Engine Labs, Chevy HardCore, and Street Muscle. She is a ...