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.

In the world of engine swaps, Chevrolet's LS series rules the roost — and it's for good reason. There's a wide variety of options to choose from, and the abundance of aftermarket support means ...

General Motors introduced the LS4 engine in 2004, but what cars had it under the hood? Here are the models and how much horsepower it produced.

There are plenty of high-powered, performance-oriented LS engines out there. But what about the LS4? How powerful is that particular iteration?

With a dual-plane intake manifold, the motor would have leaped past 500 horsepower without breaking a sweat (never mind the lower compression ratio).

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

This V-4 Is More Than Just Half an LS Engine The AMV4 by SuperHP punches above its weight as a 1.65-liter V-4 that makes 109 hp per liter.