They're powerful, durable, reliable, easy to service, and cheaper to tune, but none are more infamous than the LS6. The story ...

But none were as potent as the Chevelle SS 454 LS6. The ultimate iteration of Chevrolet's midsize car, the SS 454 LS6, was sold in 1970 only with a 454-cubic-inch (7.4-liter) V8 rated at 450 ...