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

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

Inside the Shop Building the Chevy LS-Based V-12 Engines of Your Dreams The LS is a ubiquitous aftermarket swap, but adding on four extra cylinders makes it a lot more special.

What exactly is an LS swap, and why are these conversions so popular in the gearhead community? We dive into the history behind GM's popular engine swap.

THE SITUATION: Team drivers Phil and Annett Albert recently faced a tough decision that’s all too common for owners of an aging truck: Overhaul the engine or trade the truck? They’d been ...

We grab an LQ4 LS truck engine from a junk yard, rebuild it, toss on a carburetor and made 464 hp on the engine dyno!