For those of us who are GM performance car and truck enthusiasts, the letters LS engine signify reliable, modern, efficient power. Replacing the venerable small-block Chevy in the late ’90s, the LS ...

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, ...