Here’s an overview of the Chevrolet 5.3L Gen III LS engine along with some of the problems engine builders have encountered.

We grabbed an LQ4 LS truck engine from a junkyard, rebuilt it, tossed on a carburetor, and made 464 hp on the engine dyno!

Project Groundhog, Part 2: Buttoning things up with the installation of heads, valvetrain, and intake on our rescued 2005-era Chevy LS truck engine.

General Motors' LS series engines have been around since 1997, and have one key design feature that enables upgrades that significantly boost horsepower.

The LS engine family has altered the landscape of Chevrolet performance almost as much as Gen I series small-block. But fuel injection is a source of trepidation for performing an LS swap into an ...