Air dog system...

[08powerstroker64]

Wondering if you needed a dpf delete ad a tuner to run a airdog fuel system? also what is the difference between Airdog high performance fuel system and the Airdog II. On the Airdog II you can get on w/ preset regulator and w/adjustable regulator, whats the difference? and what are the advantages of putting one on my truck?

[04hdfatboy]

i dont believe you need a tuner to run the airdog. I am not sure in the differences between the airdog and airdog II. The advantages would be better filtration and better fuel rail pressure when you are running higher tunes. Hope this helps

[DSTRBD]

A tuner is not needed. The ADII has the quick disconnects which makes for an easier install. Most people get the ADII with the adjustable regulator. The advantages of using one is removing air/contaminants from the fuel as well as providing an adequate fuel supply.

[hdwindjammer]

I have the Air Dog I in my 2003 F 350 6.0. NO tuner is necessary.... The only difference in the Air Dog I and the Air Dog II is, in the II they use a stronger spring to give more fuel pressure. Which, in the Air Dog I you substancial fuel pressure already. And for the EXTRA $$$ it's not worth the cost...

[08stroker250]

They aren't needed on a tuner, intake, and exhaust only truck unless you are looking for better than factory filtration, water separation, and air separation. The stock low pressure fuel system is plenty for up to 600 horsepower.

[08powerstroker64]

Sweet, Thanks for the info!

[CaribePickup]

The Airdog and the Airdog II for the 6.4 are different in two things.

1st - The Airdog II recycles internally the excess of fuel. So it only returns Air/Vapor to the fuel tank. This allows using the factory return line from the engine to the tank to disposse the Air/Vapor from the AirDog II. The AirDog does not have this internal pass so the Air/Vapor exits from it together with the excess of fuel. So the Airdog has to return that mixture through the fuel tank filler tube.

2nd - The Airdog II has an adjustable pressure regulator that the Airdog doesn't has it.

Due to the aforementioned, both installations have some differences in their installation procedures and components. As per the instructions accessible at their website, the Airdog II looks like to be the easiest to install.