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 ...

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 ...

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

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 ...

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 ...

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 ...