When most people think about a supercharger the first thought that usually comes to mind is that large block of polished aluminum sticking out of the hood of some old hot rod or drag-style muscle car.

From day one, the idea behind Modern Mouse was to subject the 5.3L LS to all manner of testing, including everything from bolts-ons to blowers. Nitrous, a stroker upgrade, and even old-school ...

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 ...

Hypothetically speaking, let's say you had the wrenching skills necessary to build a 600hp Rat motor for $6,500. With the astounding airflow potential of today's conventional, 24-degree, big-block ...

Modifications for your 5.3L Vortec V8 engine are a lot like eating potato chips ... you can't stop at just one. It starts innocently enough with a cold air intake, because hey, who doesn't want better ...

Direct Injection 5.3L L83 engines are starting to show up in salvage yards, but how do they compare to the super popular 5.3L Vortecs that have been a mainstay of LS swaps? We were a bit skeptical of ...