GM LS engines

The LQ9 is a 6.0L Gen. 3 small block engine used in GM trucks between 2002 and 2007. For marketing purposes, it was also known as the Vortec HO 6000 […]

[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 […]

Variable Valve Timing (VVT) is a system that automatically adjusts valve timing. GM used VVT on the following engines within the LS family. (Summit Racing’s Paul Spurlock and Brian Nutter contributed […]

The LS3 is a Gen. 4, 6.2L small block engine used in GM performance cars between 2009 and 2017. The engine specs and information listed here is for a stock […]

[Editor’s Note: This LS1 engine upgrade guide is the first in a series of LS engine upgrade guides assembled by a team of LS experts at Summit Racing. The LS1 engine […]

The 5.7L LS1 is the original Gen. 3 small block engine from General Motors used in cars from 1997-2004. The LS1 engine specs and information here is for the stock […]

(Updated 02/12/2020) [Editor’s Note: Find a comprehensive list of every LS and Vortec engine spec guide and upgrade guide we’ve published here.] … Chevrolet introduced the automotive world to the […]

So, you’re heading to the junkyard to see what LS engines are available for your next project? Here’s a handy guide that links specific GM vehicles to the LS-series engine […]

General Motors’ LS (Gen. III/IV) series of engines is the engine swap king these days. In addition to the parade of factory LS-powered late-model cars, you’ll find LS engines in old-school street rods, […]

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 […]