Buick Gen 3 LS Swap Parts

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

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 correct spark plug firing orders for SBC, LS, Mopar, AMC, and Ford V8s, and learn what the correct firing order means for performance.

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

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.

Who gets your pick as the best manufacturer from the golden age of the muscle car wars?

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

Here's our attempt to do the impossible: pick a favorite GM truck design!

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