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 ...

Inside the Shop Building the Chevy LS-Based V-12 Engines of Your Dreams The LS is a ubiquitous aftermarket swap, but adding on four extra cylinders makes it a lot more special.

In its history, General Motors has put some powerful LS engines under the hood of its most popular models. Here are the top ones and their specs.

The thing that made the LS so great was its versatility, while the LT brings incredible power and technological marvels to the table.

With the 5.7-liter LS engine test complete, we removed the LS and replaced it with our iron-headed 355ci small-block Chevy. The engine responded with initial power numbers around 370 horsepower ...

History of the LS Engine and Cylinder Head Casting Number Spotter’s Guide: LS1, LS6, LS2, LS3, LS4, L99, LS7, LSA, LS9, LQ9, LQ4, L92, L94 LS Everything: An in-depth look at the LS engine series ...