They're powerful, durable, reliable, easy to service, and cheaper to tune, but none are more infamous than the LS6. The story of GM's LS6 is interesting. The engine didn't inherently do anything ...

But none is as spectacular as the SS 454 LS6, a one-year-only gem sold during the 1970 model year. The SS 454 LS6 arrived at a time when the Chevelle had already established itself as a key player ...