Buick 5.3 LS Control Modules

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

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!

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

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

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.

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

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