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 ...

Diesel engines are the perfect recipients for mild engine modifications. They are considerably robustgenerally much more so than gasoline engines. Without going into a diesel history lesson, this is ...

As good as the 5.9-liter Cummins engine is, it could do with the nicer variable geometry turbo from the newer 6.7-liter. Is it possible to do that?