The Chevy 454 SS muscle truck debuted for the 1990 model year, the obvious result of designers’ study hall dreams brought to life. They started with the lightest full-size pickup they could get ...

Chevrolet’s 454 big-block V8, in its LS6 tune-up, threw a gauntlet so heavy that not a single rival dared pick it up. 450 horsepower and 500 lb-ft remained unchallenged for the rest of the ...