Gen 3 LS 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!

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

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

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

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

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power

Heath P. tells his story on how the passion for 'hot rodding' was instilled in him by his grandfather. From driving tractors on their family farm to becoming a Ford family, you are in for a good read.

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

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.

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.