The General Motors LT1 engines might be long-running, but the mills it has adorned are quite different. So which LT1 is which, and what are the differences?

Chevrolet introduced the legendary LS V8 engine to the world way back in 1997 as the engine powering the new C5 Corvette. That first engine, the LS1, was a 5.7 liter, aluminum block, pushrod V8 that, ...