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.

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 ...