Cadillac Muscle & Classic Car Engine Service

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!

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

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

To celebrate the upcoming 106th running of the Indianaplis 500, here's a look back at a few of the engines that have competed at the Brickyard over the years.

Engine Cylinder Numbers