GM LS engines

The L92 is a 6.2L, Gen. 4, small block engine used in GM luxury trucks and SUVs between 2007 and 2008. For marketing purposes, it was also known as the […]

The LM4 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2003 and 2005. It’s is very similar to the LM7, except that it’s built on an […]

The L76 is a 6.0L, Gen. 4, aluminum small block engine used in both GM cars and trucks from 2007 to 2009. This article is dedicated specifically to the truck and […]

[Editor’s Note: This L33 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 at OnAllCylinders. […]

Any builder familiar with late model engines knows that an engine’s computer control system monitors both camshaft and crankshaft position in order to achieve correct spark and fuel delivery. Many […]

The L33 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2005 and 2007. Although it is a truck engine, it used cylinder heads closely related to the […]

[Editor’s Note: This LY6 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 at […]

The LM7 is a 5.3L, Gen. 3 small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 5300. The […]

[Editor’s Note: This LSA 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 at […]

[Editor’s Note: Because the LQ4 and LQ9 engines are so similar, we’ve combined them for this engine upgrade guide, which is part of a series of LS engine upgrade guides assembled by a […]