LMF

[Editor’s Note: This LMF 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 LMF engine is a 5.3L Gen. IV iron-block engine used in GM cargo vans between 2010 and 2014. For marketing purposes, it was also known as the Vortec 5300. […]