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

The original Gen III LS engines placed the cam sensor at the rear of the engine, while 2005 LS2 and later Gen IV engines moved the cam sensor to the front of the engine.

Swapping GM’s LS engines into just about anything is very popular these days, but often the tools you need to work on these engines can be expensive. We had loaned out our normal LS engine lift ...

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

Stock Junkyard LS. Richard Holdener Holdener took a stock, flat-top 5.3-liter LS and put it on an engine dyno to find a baseline power rating.

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