GM LM4 T-Bucket Frame

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!

Trying to decide which power plant to use in your latest project? Here's a quick guide of modern V8 engines for hot rodders to consider.

An LS cam swap can yield big power gains. And, you can do it at home. Here's how...

LS swaps are nothing new, but they're still a little mysterious to some of us. Here is an overview of what you will need and what you need to know to swap some modern performance into your muscle car, truck, or hot rod!

Small block Chevy V8 or the modern LS V8? Which one comes out on top as the best engine to swap into your ride?

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

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

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.

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.