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 ...

The 6.0L diesel engine in '03 to '07 Ford Super Duty trucks has a reputation for needing repairs. While two competitors at Diesel Power Challenge 2015 proved it can be turned into a true performance ...