From the factory, 12 Valve Cummins have a mechanical lift pump that actually works pretty good at maintaining adequate fuel pressure to the P7100 injection pump at stock and slightly above stock power levels. That said, its almost TOO easy to add power to a 12 valve through pump and injector upgrades, which now tasks this stock pump, not allowing for the full power potential of the performance upgrades you're making.
The AirDog II-5G is an all in one premium fuel pump and filtration
system for your 12 Valve Cummins diesel. This system removes water,
particulates, and entrained air from the diesel fuel. The entrained air
that is separated from the fuel is returned to the tank through a small
return fitting. The fuel is delivered to the engine at the correct
pressure and flow rate to meet the demands of the engine under all
operating conditions.
The AirDogII-5G systems feature a built in adjustible diaphragm pressure
regulator. All AirDog II-5G systems include a complete installation kit.
The AirDog II-5G, for this particular application, is preset at 30
psi from factory for a stock application. The regulator is adjustible up
to 70 PSI for the 165 GPH unit and 55 PSI for the 220 GPH version so you can fine tune the system to perfectly match up to your
current and future performance upgrades.
HOW IT WORKS:
The AirDog II-5G draws fuel from the fuel tank through a 1/2” suction line and the DF-220 draws fuel through a 5/8” suction line to reduce the risk of cavitation at the pump. The fuel is then drawn through the water separator where 92% of water is removed per SAE spec 1488. It is then pressurized through a Gerotor pump and sent to the 2 micron fuel filter before it is sent to the injection pump. The air from aerated fuel, due to tank sloshing and engine return lines, is separated and sent back to the tank through the 3/8” return fitting. The excess fuel that the engine does not use is recirculated through the diaphragm regulator back to the suction side of the pump.
California Air Resource Board
D-595-5
Specifications
- ManufacturerAirDog | PureFlow Technologies
- MPNA7SABD524 | A7SABD527 | A7SPBD252
MANUFACTURING:
- PureFlow AirDog products are manufactured in Shelbyville Indiana by a team of skilled workers with unsurpassed attention to detail and using the most stringent quality assurance.
KIT CONTENTS:
- (1) AirDogII-5G DF-165 or DF-220 (depending on selection)
- (1) AirDogII Mounting Bracket
- (1) Frame Bracket Set
- (1) Spacer Block
- (1) Mounting Hardware Kit
- (1) Bundle of Plastic Ties
- (1) Return Fuel Filler Tube Assembly (1-3/4” OD w/2 Clamps)
- (2 or 4) 1/2” Straight Hose Quick Connect Fitting (4 for DF-165-5G) (2 for DF-220-5G)
- (1) 1/2" 90° Hose Quick Connect Fitting
- (1) 3/8” 90° Hose Quick Connect Fitting
- (1) 14mm X ½” male SAE J2044 Fitting
- (1) Sealing Washer (installs on WAP103 fitting)
- (1 or 3) 1/2” Male J2004 Quick Connect x 3/4-16” UNF (3 for DF-165-5G) (1 for DF-220-5G)
- (1) 3/8” Male J2004 Quick Connect x 7/16” UNF
- (2) 3/4-16 ORB Male to -10 JIC Female Fitting (DF-220-5G only)
- (2) -10 JIC Male to 5/8” Barb (DF-220-5G only)
- (2) 5/16” Push Lock X 1/4” Male NPT
- (1) Injection Pump Return Tee
- (1) P-Pump Flexible Return Line
- (1) 5/8” High Flow Suction Tube
- (1) Wiring Harness
- (1) 14ft of 1/2” Fuel Line (DF-220-5G) 20ft of 1/2” Fuel Line (DF-165-5G)
- (1) 7ft of 5/8” Fuel Line (DF-220-5G Only)
- (1) Customer Service O-ring Replacement Kit
FEATURES & BENEFITS:
- 165 GPH supports 500-800 horsepower, 220 GPH supports 800+ horsepower (if you have less horsepower than this, consider an AirDog 100)
- Flows 165 or 220 Gallons Per Hour (depending on selection)
- Preset at 8-10 PSI
- Variable fuel pressure
- 3/4-16 o-ring boss (-8) inlet and outlet ports
- 7/16-20 ORB return port (-4)
- 4 bearing design with intermediate shaft to reduce pump noise and increase reliability
- Low flow fuel return to reduce aeration in the tank
- Demand Flow: only feeds as much fuel as what the engine needs
- Dual feed that feeds fuel to both sides of the Gerotor Pump to decrease cavitation
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Airdog II-5G Air Fuel Separation Lift Pump System 94-98 Dodge 5.9L 12 Valve Cummins
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