The introduction of the Gen III and IV LS and the Gen V LT V-8s are some of the greatest innovations for our hobby. They're a simple drop-in engine swap because virtually everything imaginable is ...

We’re upgrading the 1950 hearse LS swap with a custom fresh air intake! Follow along as we improve performance and keep things cool under the hood. #LSswap #ClassicCarBuild #CustomIntake Science ...

In part one of our Great Crate Update, we subjected a GM Performance Parts LS2 crate motor to a series of performance modifications, including a Comp Xtreme Energy cam, a FAST LSX intake, and two ...

Here at GM Authority: The Ultimate Independent Destination for all things General Motors, we would like to think that you can stick an LS-motor in anything to improve it, but sometimes people find ...