Diesel engines need two things to make power: air and fuel. We know that's grossly oversimplified, but it's true. If you increase the engine's ability to ingest air, you can add more fuel and thus ...

Factory turbo cars by the hundreds of thousands now cruise our nation's highways. That translates into plenty of used turbos just lying around waiting to be scooped up by the adventurous rodder for ...

It’s easy to get swept up in the majesty of modern V-8 Mustang performance. Our magazine was born of V-8s, and we still spend most of our efforts regaling in the splendor of eight- cylinder muscle.