Curiously speculating on the engines Lexus is currently installing in their ES, GS, and LS sedans, I wondered if it would be ...

The teardown continues on my C5 Corvette LS1, and in this episode, it’s time to remove the cylinder heads. This crucial step gives us full access to the combustion chambers, pistons, and head ...

General Motors’ LS V8s are beyond commonplace in the car nut universe. People swap them into everything—Porsches included—and while they’re the quickest way to impress on a dyno, they aren’t exactly ...

Just in case you aren’t up on current events in the LS community, there seems to be a divide wedged firmly between cathedral port and rectangular port enthusiasts. For those unfamiliar with the terms, ...

What happens when you make a post in any of the many LS performance forums and ask the following question? What is the best factory LS head to use on a turbo engine? The obvious answer for any ...

This article applies to the Chevy Camaro and Pontiac Firebird (1998-2002). Headers replace the exhaust manifolds that come equipped on your LS1 F-Body from the factory. The factory manifolds are ...

This article applies to Chevrolet Camaro and Pontiac Firebird (1998-2002), as well as all LSx engines. The cylinder head (or "head") has several main functions. Its first order of business is sealing ...