GM LS3 Motor Mounts

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 identfy motors for your LS Swap. In this guide we cover generation 4 small block engines and some of the cheaper options for more power.

Comparing GM’s LS V8 engine to the high-tech LT V8 engine. Which is better for your performance needs and budget?

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

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

The 4.8 LS engine is a salvage yard bargain vs the typical 5.3 or 6.0 LS and can still make great power for your LS swap needs.

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

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

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

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.