When HPP was approached by Jeremy Formato at Fasterproms about increasing the power in our '05 6.0L LS2 GTO without breaking the bank, we were all ears. He suggested a simple swap to a cost-effective, ...

We all know that LS engines respond well to modifications, the very best being a cam swap. So why does the cam offer so much power in an LS application? The reason is that the LS engine family is ...

Few cars in modern automotive history are as much of a total package as the modern GTO. With an incredibly stiff chassis, great handling characteristics, and seamless LS power, it is a true match made ...

Here it is, just like we promised. This second installment of Mike's LS swap picks up right where we left off last month with the location and mounting of the fuse panel and fuel pump relay and onward ...

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 ...

If you happen to have gotten you hands on a tried and tortured Nissan 350Z drift car, you are a lucky man. It all means you’ve got a solid base for a memorable custom build project. But what could you ...

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 ...

It was a dark day in the history of the automobile when Saab closed its doors forever. It was as if a vital piece of quirkiness was lost from the auto industry that isn’t likely ever to be replicated.