A complete guide to the history of the LS and Vortec engine brands, the differences between them, and their components. Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest ...

Engine swaps open up a lot of possibilities for project car builders. One of the most common engine swaps to see is the LS swap, with everyone from drift car builders to drag racers opting to use GM's ...

The GM LS6 engine designation can refer to three different engines produced by General Motors – including the 7.4L Big Block V8 and two Small Block V8 powerplants from different generations – the 5.7L ...

General Motors' LS crate engine is a series of popular V8 engines (and recently V6 engines) that punch well above their weight class. While these motors are small, they can deliver far more ...

Talk about a quantum leap in technology and performance? This is a story at Chevrolet that dates back more than 60 years to the most popular American V-8 ever produced. The small-block Chevrolet ...

GM's LS engine is a powerhouse, thanks to great-flowing heads that enable tremendous horsepower and high-rpm performance. But while the LS is becoming a more popular swap choice for earlier, pre-C5 ...