The GM LS1 and LS2 are the successors of Chevy's small block V8 engine. While they share a lot in common, there are some ...

In the history of Chevrolet V-8s, the 427-cubic-inch displacement has always belonged to the big-block — the kind of engine that defined factory muscle in the late 1960s and sat on an entirely ...

Two returning engines and two classics make for the most exciting Silverado engine lineup in years.

The GM Gemini engine range refers to variants of General Motors’ Gen 6 Small Block V8 designed for performance vehicles. The LT6 was the first Gemini engine to arrive, debuting in the Chevy C8 ...

A stock-based GM 4.3L V6 shocks the dyno with 1,400 horsepower at 33 PSI, proving this twin-turbo truck engine is far stronger than expected. Twin-turbo 4.3L V6 delivers 1,403 horsepower on the dyno ...