The number of variations on the popular LS engine is downright scary if you are new to the game and trying to figure out which one to grab at the junkyard or online. So let's start from the beginning.

Over the years, General Motors has employed several eight-cylinder engine designs ranging from the inline "Straight-8" to the current LT1 V8. However, many agree that the small-block LS engines were ...

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 ...

Few engine families go down quite so well in the history books as Chevrolet's iconic LS series. The family consists of powerful small-block V8 engines, and they've been seen in everything from ...

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 ...

It wasn't that long ago that the words "crate engine" were tainted by an element of shame. What kind of hot rodder buys an engine that's already built? "A true gearhead builds his own engine" was the ...