Earlier this year we bolted a cam and headers on a 5.3L Gen III called Little Bro and made 458 hp at a screaming 6,600 rpm. That engine revealed the potential of a lesser-known family of iron-block GM ...

With the promise of cleaner emissions and more power from a compact package, the Ford 6.0L Power Stroke was introduced in 2003. This new diesel V8 was a jump in power and refinement with the ...

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 soot ...

When Ford launched the 6.4L Power Stroke V-8 diesel engine in 2007 as part of its F-Series trucks, Ford enthusiasts expected it to be unlike its predecessor, the 6.0L Power Stroke. Although Ford ...