GM LS

[Editor’s Note: This LS2 engine upgrade guide is part of a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing that we are sharing […]

The LS2 is a Gen. 4, 6.0L, aluminum small block engine. The engine specs and information listed here is for the stock LS2 used in GM passenger cars from 2005-2007. Mechanically similar, General […]

LS engine enthusiasts are all too familiar with the infamous “sewing machine” sound that can come with an aftermarket performance cam swap. Basically what happens is the new cam affects […]

Since the GM LS is such a popular engine series, LS-compatible parts are common and easy to find. Which means, if you’re using 1992-97 LT1-style heads on your engine, you […]

Editor’s note: The 1980s was a transition period for engine technology in America. The iconic carburetor gave way to fuel injection. Cubic inches were out, and liter designations marked a new era for […]

Everything I read says that the big rectangle ports for LS engines flow better than the cathedral ports. But then I know some pretty quick street cars running cathedral port […]

As the guys at Chevy Hardcore point out, 500-horsepower ain’t what it used to be. A 500 horsepower daily-driven street mill simply won’t garner attention at local meets or gas station pumps like it used to. […]

It’s a fact: GM LS engines consume excessive amounts of oil. Supercharged or turbocharged engines, as well as engines regularly run to the rpm limit, use even more. One reason for […]

When we last left you, Trick Flow Specialties was in the process of building the short block for its 440 cubic inch GM LSX engine (440 LSX, Part 1). Designed for […]

440 cubic inches used to be the domain of rip-snorting big block engines. Even more specifically, the number 440 denoted the rip-snorting big blocks produced by Mother Mopar and the […]