Gen 3 LS 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!

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

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

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

Speedway Motors announced today they will debut their new GM Metric G-Body Frame Rail Kits alongside new racing products in their booth (#4101) at the 2024 PRI Show Dec. 12-14 in Indianapolis, Ind.

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

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

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

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