L33

How much LS power is considered a lot these days? Forget the four-digit turbo motors for a minute, and let’s stick with naturally aspirated, all-motor combos. If we narrow things […]

Brian Nutter is a Summit Racing tech expert and a regular contributor to OnAllCylinders. He’s also our go-to guy whenever we have questions about engine internals—particularly with the LS platform. […]

[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. […]

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 […]