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.

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...

Engine teardown footage like this gives a practical look at the inner workings of an LS motor and the parts that make it run.

XJ Jeep Cherokees, with their unibody construction and boxy looks, have a serious cult following. It's no wonder—they work well on- and off-road, and are built with some great components right from ...

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 ...