Join Date: Dec 2010
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Here what they claim it does AirDog® II is designed to operate at flows and pressures beyond the maximum requirements of the engine. It receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of water.
The fuel passes through the water separator which removes the large particulate contaminates that could damage or jam the gerotor fuel pump. The fuel, with only entrained air/vapor and tiny particulate contaminates remaining, then enters the fuel pump.
The fuel, now under positive pressure flow, enters the fuel filter. As the fuel passes through the filter media and the remaining particulate contaminates are caught and contained, the entrained air/vapor is also separated. Through the positive fuel air separation features of the patented AirDog® II the separated air/vapor is discharged from the filter and back to the fuel tank through the Primary Air/Vapor Discharge Port.
The fuel passing through the filter media is now free of contaminates and power robbing air/vapor. At pressures and flows able to meet the needs of the engine, it exits the fuel filter through two passageways. First, the fuel for the engine, passes into the fuel pickup tube and on to the engine. Then, the excess fuel not needed by the engine recycles internally through the pressure regulator back to the water separator.
As far as 1/4 tank elimination you install the straw so it seats good on the bottom of the module while compressed. Drilling holes in the side of the module and running the return to return right on top of the pick up helps also. I can run mine on E with no issues.
2010 CCLB F350 King Ranch - Sinister EGR Delete, Coolant filter - No Limit Intake - CCV Mod - Mini Max HD300 - 4" flo pro duals
1/4 mile 13.1 @100 spinning in 4x4