AirDog
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Junior User
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AirDog
I was making a list of goodies I wanted to buy the other day and I seen the AirDog. A fuel pump, water separator, and filter. http://www.itpdiesel.com/store.php?c...on=show_detail
Does anyone use this and is it worth the $?
Does anyone use this and is it worth the $?
Post Fiend
Joined: Jul 2005
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From: 21791
It's a well designed piece and im sure it does a great job. However that is verrry expensive.
I did the same thing, with a Carter 4070 Lift pump for $60, and a Dahl 150 Fuel filter/water/air seperator for $175. That must be one nice $390 t-shirt.
I did the same thing, with a Carter 4070 Lift pump for $60, and a Dahl 150 Fuel filter/water/air seperator for $175. That must be one nice $390 t-shirt.
Post Fiend
Joined: Jul 2005
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From: 21791
Hotshot
Joined: Nov 2006
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From: North of Greenville
WELCOME to FTE, UT1Rusty!!
Don't know if you have read between the lines of Kris' and Scott's comments, but there is a bleed off line from the Airdog that goes back to the fuel tank that Kris' setup doesn't have, which is what Scott was alluding to.
Essentially, if you perform the in-tank mods, you virtually eliminate all intrained air in the fuel line, and do not need the bleed line back to the tank in order to remove entrained air because it is no longer present.
Don't know if you have read between the lines of Kris' and Scott's comments, but there is a bleed off line from the Airdog that goes back to the fuel tank that Kris' setup doesn't have, which is what Scott was alluding to.
Essentially, if you perform the in-tank mods, you virtually eliminate all intrained air in the fuel line, and do not need the bleed line back to the tank in order to remove entrained air because it is no longer present.
Senior User
Joined: Dec 2005
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I thought I saw a DIY setup that had two filters...similar to a FASS system. One of the filters was a Dahl 150...I think. What is the advantage of two filters over one...one has a smaller micron rating?
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Kris I am going to be ordering this stuff soon and want to make sure I have the right pump. https://www.jegs.com/webapp/wcs/stor...48050_-1_32330
Hotshot
Joined: Nov 2006
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From: North of Greenville
I had a question about the pump too. JEGS has two Carter pumps, within one dollar of same price, same flow rating, but one has a slightly higher pressure rating on the discharge.
The 4070 is rated at 4-6 psi, while the 4594 is rated at 6-8 psi. Is there any problem with the slightly higher pressure rating from the 4594 for the extra dollar?
The 4070 is rated at 4-6 psi, while the 4594 is rated at 6-8 psi. Is there any problem with the slightly higher pressure rating from the 4594 for the extra dollar?
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Joined: Feb 2006
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From: Phoenix, AZ
Just to clarify a few things...you can NOT accomplish the same thing as an AirDog with a fuel pump and a Dahl filter...it just can't be done.
Make sure you understand the different types of air in diesel fuel. See this link:
http://www.itpdiesel.com/store.php?fuelsys2=1
The Pre-Pump and Tank mods can ONLY prevent "Free Air". Key word, "prevent". These mods do not "remove" anything, they simply solve the problem of gross air leaks at different points in the fuel system. This is simply a "passive" method to prevent as much "Free Air" (in the form of bubbles) from entering the system.
Even with the Pre-Pump and Tank mods, there is still "Entrained Air" and "Disolved Air" in the fuel, this is what the AirDog works to remove. The AirDog is an "Active" air removal device that not only removes "Free Air", but also "Entrained Air" and probably some "Disolved Air" (the hardest to remove). This device is effective on trucks with everything from a stock fuel system to those with a "race" sized pickup, big aftermarket fuel pump and full regulated return.
Make sure you understand the different types of air in diesel fuel. See this link:
http://www.itpdiesel.com/store.php?fuelsys2=1
The Pre-Pump and Tank mods can ONLY prevent "Free Air". Key word, "prevent". These mods do not "remove" anything, they simply solve the problem of gross air leaks at different points in the fuel system. This is simply a "passive" method to prevent as much "Free Air" (in the form of bubbles) from entering the system.
Even with the Pre-Pump and Tank mods, there is still "Entrained Air" and "Disolved Air" in the fuel, this is what the AirDog works to remove. The AirDog is an "Active" air removal device that not only removes "Free Air", but also "Entrained Air" and probably some "Disolved Air" (the hardest to remove). This device is effective on trucks with everything from a stock fuel system to those with a "race" sized pickup, big aftermarket fuel pump and full regulated return.
FTE Sponsor
Joined: Feb 2006
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From: Phoenix, AZ
That's really an impossible question to answer...every truck is different. Generally, the closer to stock the more noticeable. That said, Jody was amazed when he installed one on his personal truck that already had a 5/8" pickup and 5/8" line to an SX pump...NO air leaks in that setup! His truck got quieter and he noticed less smoke and better responsiveness. If you know Jody, he's hard to impress.
FTE Sponsor
Joined: Feb 2006
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From: Phoenix, AZ
BTW...simply put, this mod isn't for everyone. It's expensive, no doubt about it...not something everyone is willing to spend their hard earned cash on when there is a more noticeable gain in performance from a $400 chip. Still, I believe in it completely. I have one on my 2004 6.0L and I have one on the shelf for my 2002 project truck.
Anyway, the point of my post was simply to correct the misconception that the tank mods with a pusher pump do the same thing. They help for sure, but they in no way do the same thing.
Anyway, the point of my post was simply to correct the misconception that the tank mods with a pusher pump do the same thing. They help for sure, but they in no way do the same thing.