GM first released the Gen-III 5.3L truck V-8 in 1999 in the Silverado and Sierra truck platforms. GM Performance Parts (GMPP) has taken notice of the millions of these and the 4.8L V-8s that have been ...

With the right parts it's easy to turn a 5.3L Vortec block into a 383-inch 540 hp LS-swap mill.

The 5.3L Vortec engine has earned its place as Chevrolet’s longest-lasting pickup truck engine, powering popular models like the Silverado and demonstrating exceptional durability. Many of these ...

For over a century people have been modifying their factory stock engines by adding performance-enhancing parts. While some have transformed their vehicles into absolute road monsters adding hearty ...

Everyone wants a pickup truck that can handle the daily grind and rack up a million miles along the way. That's the dream. But the truth is, most trucks don’t make it that far. Frames rust, interiors ...

The Vortec 5.3L V8 LMG was an engine produced by General Motors for full-size SUVs. Displacing 5.3 liters in a V8 configuration, the LMG was part of the Vortec (Generation IV Small Block) engine ...