Post Tagged with: "LM4"

LM4 engine swap
LS Engines

LM4 5.3L Engine Upgrade Guide: Expert Advice for LM4 Mods to Maximize Performance

[Editor’s Note: This LM4 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’re sharing at OnAllCylinders. For […]

LM4 engine rebuild
LS Engines

LM4 5.3L Vortec 5300 Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More

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 […]