General Motors has been slapped with a new class-action lawsuit over alleged issues with the Vortec V8 engine in its GMT900 platform full-size trucks and SUVs. This lawsuit, which was filed in U.S.

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 ...