The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

When a truck already has two giant turbos, a fire-ringed head, and Extrude-Honed injectors, you might think it's already "maxed out," but that wasn't stopping the team at Bud's Diesel. They realized ...