The LS engine, originally designed for General Motors’ vehicles in the late 1990s, has transcended its initial purpose to become the most popular swapped powerplant in automotive history. Its ...

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 ...

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 ...

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 ...

These days we're surrounded by mega-buck high-end builds, so it becomes easy to forget that the essence of hot-rodding is going fast on the cheap. Yeah, we can appreciate the big-money builds, but for ...

Owning a classic car, truck, or SUV is a largely joyful experience, but there are definite pitfalls that come with the territory. Having a vehicle that is decades old in your driveway or garage often ...

What we refer to today as the LS family of engines usually refers to the third and fourth generations of Chevrolet’s small-block V8. But to understand the relevance of these engines, and what makes ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

Jeep used the AX15 or NV3550 transmission in literally hundreds of thousands of Jeeps from the late 1980s to the early 2000s. And that's not even including Dodge light-duty pickups that used them in ...

The Chevy LS V8 is one of the most ubiquitous elements in car customization. Any forum post or Facebook group thread about engine trouble usually has at least one comment along the lines of: “Just LS ...

Turbos and superchargers have made extra power almost easy to come by. Thanks to them, even tiny four-cylinders can make the type of numbers that used to be reserved for big-displacement engines. That ...