It's very common knowledge that engines rely on fluids to operate. While the various oils, water, and fuels are referred to as a powerplant's "life bloods," the latter liquid—diesel, for our ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

Jasper Engines & Transmissions is remanufacturing the Bosch VP44 diesel injection pump. The pump was found on 1998-2002 Cummins B Series engines used in Dodge Ram pickups, Freightliner medium-duty ...

Diesel engines operate at higher compression ratios than gasoline engines, and fuel is injected under much higher pressure. An injection pump, usually driven by a belt or chain linked to the ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

It's an amazing time when there's new technology in the industry as it forces a new rivalry in speed parts, and direct-injection is firmly in the high-performance arena whether anyone likes it or not.

In our "Order of Modifications" article (see page 88), we set out to determine which parts we should add first to our '02 Dodge Ram 3500. We quickly learned that the biggest exhaust, most aggressive ...