We build a 427-inch LSX engine with an iron block and Chevrolet Racing high-compression COPO pistons to make 661 hp on Westech Performance’s Superflow dyno.

It's hard to believe that General Motor's LS series of engines have been with us for 20 years. Introduced in 1997, performance enthusiasts quickly learned all this new design had to offer—these ...

Project Groundhog, Part 1: Cleaning up and machining rusty parts from a 2005-era Chevy truck engine that was literally pulled out of a dirt floor.

Time to take this build to the next level! 🔧 In this video, I install a performance camshaft into my C5 Corvette LS1, a major upgrade that transforms how this engine breathes and performs. 💥 ...