Chevy 3G 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!

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

Follow along as our Expert details his restoration methods for making an engine in an old 1954 Chevy look new again with a little cleaning and refinishing.

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

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

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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.