The humble LS engine remains the undisputed king of swaps, in case you haven't noticed, but why? Spoiler alert: it's about a lot more than just affordability.

The LS engine left factory production years ago, yet it still defines modern hot rodding and the engine-swap world. “LS-swap the world!” It sounds like a joke until you realize how many people take it ...

Every General Motors LS engine is special, starting with the LS1, a 5.7-liter Gen III small block V8 which debuted in the 1997 C5 Corvette. In 2008, GM released the 6.2-liter LS3 based on the Gen IV ...