Last winter, I put a Garrett PowerMax Stage 1 turbocharger on my ’07 truck’s 6.6L Duramax engine. The truck ran great until I slipped my 30-foot toy hauler on the gooseneck. On the first long grade I ...

The key to making more power with a diesel engine is being able to add more fuel and air to the combustion chamber. However, along with the acts of compressing more air (increasing boost pressure) and ...

Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx -- nitrogen oxides-based emissions -- than gasoline-fed cars, as well as more particulates, aka ...