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 ...

If you are looking for a LS-series engine to build, the Vortec-series 5.3L is arguably the best choice for the dollar. The 5.3L debuted in 1999 as the base engine for the Silverado and Sierra truck ...

If you can't get to a salvage yard, or just want to start with a clean, fresh, and rebuilt enginethen you can't go wrong with this Gen I 5.3L Vortec / LS long-block crate engine from Summit Racing (PN ...

The normally aspirated 5.3L eventually produced 503 hp at 6,600 rpm and 441 lb-ft of torque at 5,700 rpm. The new heads, cam, and intake shifted the power curve higher in the rev range, as a stock ...