GMT400 GMT Trucks Gen 3 LS Engine 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!

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

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

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!

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

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

In this episode, Project Chevelle takes a big step in its muscle car transformation. It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!