A few months ago, we hatched a plan to test every intake manifold for the LS3 engine that we could get our hands on. Given the popularity of the rectangular-port LS3 configuration, it was only natural ...

We know your type − you wear glasses instead of contacts. You have a vinyl copy of UFO’s Phenomenon instead of one of those new-fangled compact discs. And your car has a carburetor that’s easy to tune ...

Who isn't a fan of the original 23-degree small-block Chevy? After all, it revolutionized the automotive aftermarket and has truly earned its legendary status. For those new to the Chevy scene, ask ...

Project Groundhog, Part 2: Buttoning things up with the installation of heads, valvetrain, and intake on our rescued 2005-era Chevy LS truck engine. When we left Project Groundhog at the end ofPART 1, ...

Get our GM news straight to your inbox. We'll send you one or two emails a day with the latest GM news coverage. It's totally free.