Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...

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.

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 ...

Both small block V8s from Ford and General Motors offer potent power, but there's a massive form factor difference between ...

Chevrolet started making small block V8 engines all the way back in the mid-1950s and has had many different generations in that time. For over 40 years, Chevrolet made different sizes and variations, ...

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 ...

Wind the clock back a decade, and asking why the LS remained the default swap choice would have been a pointless question. The answer was obvious — engines were cheap, plentiful, aftermarket support ...

There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", despite GM originally assigning them different badges. (And in case you're ...

Daud Gonzalez is a lifelong car enthusiast and automotive writer with a specialty in modified and race-ready rides. He spends most of his time modifying his cars and ruining them in the process. He is ...

Performing an LS swap, or any V-8 swap for that matter, can be a remedy for an underpowered Wrangler. We opted to replace the Pentastar 3.6-liter V-6 in our 2016 Jeep Wrangler Unlimited Rubicon with ...