Chevrolet Hid Its Most Brutal 1970 Engine in a Truck Bed – The El Camino SS 454 Ran With the Fastest Muscle Cars in America by Jack Harmon A 1970 Chevrolet El Camino could be ordered with the same 450-horsepower LS6 454 as the Chevelle SS – an option so rarely chosen that surviving examples are now among the most overlooked muscle vehicles from Detroit’s biggest year.
