Cadillac GM LS3 Swap Parts

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!

Learn how to identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

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

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

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.

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

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.

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.

Check out a gallery of our favorite Chevys and other GM cars and trucks from the 2022 SEMA show!

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.