The LM7 is a 5.3L, Gen. 3 small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it… | Chevy silverado, Chevrolet silverado 1500, Chevy
Minor Upgrades Create Crazy Power on a Junkyard 5.3L Vortec - Engine Power S7, E10 - YouTube
Turnkey LS Crate Engine - Sharpe Performance – sharpe performance