GM LM4 Engine

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Both 5.3 and 5.7 LS engines are commonly sourced for LS swaps. Here's a look at some differences and similarities as well as a discussion of what might be the best choice for your project.

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

In this episode of our '68 C10 project, we hit a couple big milestones. The engine goes in and we hit our first car show. It may be just a rolling chassis, but we're mighty proud of how far we've come.

Derek kicks off his 55 Chevy rebuild with a fresh small block.