Reputed YouTube mechanic tests a freshly built 460-cube LS6 V8; the motor’s Achilles’ heel is a tiny piece nobody noticed being blocked off ...

With the 1969 model, Oldsmobile's 455-cubic-inch Rocket engine was rated for 380 horses and 500 lb-ft of torque, giving it a few extra ponies compared to Chevy's 360-horsepower LS5 454.

The 7.4-liter LSX454 V8 is a modern interpretation of the iconic 454 ... Oldsmobile became overshadowed by other GM brands like Pontiac and Chevrolet, it produced one of the mightiest V8 engines ...