'98.5-'04.5 Dodge Ram AirDog FP150 A4SPBD004
The compact AirDog® provides the most effective technology designed specifically for diesel pickups to remove water, particulates, vapor and entrained air from diesel fuel. The AirDog® replaces the Cummins factory lift pump and filter system.
Your High Performance diesel engine demands higher fuel flows. Yet, higher fuel flows increase the vacuum at the fuel pump and agitation in the fuel tank. These factors generate additional air/vapor in the fuel system preventing your engine from producing maximum power and efficiency. Additionally, air/vapor can cause galling and pitting of the injector barrel/plunger assembly and also tip erosion. The AirDog® eliminates the air in the fuel that robs your engine of consistently greater performance and can also cause permanent damage to your injectors.
The AirDog® also provides the fuel pressures and flows your diesel engine needs to produce maximum power, any time, every time! For serious performance seekers, whether you run a Cummins Turbo Diesel, Duramax, or Powerstroke on the daily grind or for weekend pleasure, the AirDog® has something to offer you!
The physics behind AirDog® technology:
Diesel fuel contains varying degrees of entrained air in the form of foam on the surface or suspended in the bulk fluid as tiny bubbles. Additionally, fuel is driven into the fuel pump by atmospheric pressure, which is usually only enough pressure flow to fill the pump at idle speeds. Consequently, at higher operating RPM’s, the stock pump cavitates producing vapor.
Air and vapor are compressible. The presence of air/vapor in the fuel injector delays the pressure build-up. This delays the injection, resulting in Retarded Injection Timing. Retarded injection timing in a diesel, just like bad spark plugs in a gasoline engine, causes lost power, poor fuel mileage, and an increase in exhaust emissions.
Retarded Injection Timing caused by air/vapor is the primary source of the rough idle, lost power, increased fuel consumption and excessive exhaust emissions of the diesel engine. Air/vapor in the injector can also cause permanent damage in the form of galling and pitting of the barrel/plunger assembly and tip erosion. The conventional vacuum feed fuel supply system does nothing to remove entrained air from the fuel. In fact, it only makes things worse. As the filter plugs with use, the already inadequate fuel flow to the engine is further reduced, increasing cavitation and retarding injection timing even more.
The AirDog® overcomes the inadequacies of the conventional vacuum feed system. Removing the entrained air and preventing vapor from cavitation restores injection timing and engine performance to ensure maximum power output and peak efficiency at all times!
AirDog® is approved for sale and use in California by CARB.
**Note** AirDog 100 series pumps connect to the stock fuel tank sending unit and DO NOT require the tank to be dropped. AirDog 150 series pumps DO require the fuel tank to be dropped for the installation of a stand alone 1/2" pickup tube. This item is included with the kit.
**Note** The AirDog FP150 is for use with heavily modified engines and/or fuel delivery systems. If you have a stock truck, or only slightly modified, we recommend the FP100 AirDog system.
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