Buick GM LS6 4L65E Modern Muscle Parts

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

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

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 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.

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

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