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.

Check out these different LS engines like the LSX376 and the LSX454 as well as an assortment of muscle car parts from companies like dakota digital, hotchkis performance, quick fuel technologies ...

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.

LS engines have long been the go-to for performance enthusiasts looking to build massive horsepower on a budget, and for good reason. Since the debut of the LS1 in 1996, GM has refined these ...

There are plenty of high-powered, performance-oriented LS engines out there. But what about the LS4? How powerful is that particular iteration?

For many, a tight budget is a hot-rodding reality. Such is the case with this cost-effective 1973 ’Cuda with an LS swap, built for just a few grand.