There are only three things guaranteed in life: death, taxes, and traditionalists intimidated by radical new techno-gizmos that alter how things have been done since "the good old days." When it comes ...

It may not have the coolness quotient of a high-lift cam or a rowdy exhaust system, but a properly functioning set of fuel injectors plays a critical role in optimizing overall engine performance.

Intake air and fueling are the primary components of the diesel performance formula. And, in theory, the more there is of each, the better a diesel engine will perform—provided the air and fuel are ...