3592788

Ok bare with me, i have a couple questions.

Frist off my truck is a 2003 so i guess the lift pump is not in the tank its somewhere else right?

So whats in the tank?

If i were to get a ad 100 or 150 would i use whats in the tank or bypass it completely? Like use a Straw?

Would i bypass the lift pump (where ever that may be)?

What should i get the ad 100 or 150?

Would i go though the stock fuel filter housing?

Where the best place to buy a Air Dog?

Will it make the truck run better? (133,333 miles)

Ok thats all i got for now and i really apprecate any answers.

cgmorgan06

In the tank is the sending unit and the pickup canister

Airdog 100 would use the stock pickup and fuel lines
Airdog 150 would use a new pickup (new drawstraw) and bypass the sock fuel filter

Get the airdog from the DTR store and support the site.

With the airdog 150, if it were ever to fail it would be very easy to reconnect the stock fuel system.

My truck seems to idle a bit smoother with the airdog, and I and very happy with it.

leekyle

Are you the original owner? If the lift pump was replaced by Dodge they put it in the tank. The Original lift pump location is on the aft part of the fuel filter. If you see something that looks like a winshield washer pump with wires going to it then it is in its original location.

3592788

Well thanks for the info, i am not the frist owner so i will have to take a look.

CGmorgan06 did you bypass your stock syetem so you can have either one?

And if you leave the stock one intack were would you plumb the airdog to?

cgmorgan06

yes the i bypassed the stock system. the airdog is plumbed directly to the cp3 i just removed the banjo bolt holding the fuel line from the filter to the cp3 and pushed the line to the side. I am not sure how easily this can be done if the pump is in the tank

Sandaholic

Tried it personally

cgmorgan06

Thats what I thought as well, but it did not for me. During the airdog install the line from the tank didnt get run in a safe place. A zip tie broke leading the line fall next to the driveshaft. Rubbed a hole in the line so I got a pushlock fitting and fixed the leak. Truck started right up when I got finished, I noticed that fuel pressure was at 1psi then fell to 0psi and truck died. Needless to say the cp3 did not pull it through the airdog and I had to hook the stock lines back up. All this on a road trip to Colorado while it was 10 degrees outside and snowing. After the trip I got home and ran the house away from the driveshaft and the airdog has worked just fine ever since. It it possible that the airdog got vapor-locked?

Sandaholic

Hmmm maybe you actually have to pull the fuse for the fuel pump so that it doesn't get any power? I'm not sure why that would be though? You know after thinking about it I believe you're rightit probably was vapor locked. You should try unplugging the fuse sometime and see what your pressure reads then.

I think we need to ask Charlie he should know. Maybe he will find his way to this thread and answer this for us.

leekyle

Just a thought, If you run the airdog to the stock fuel filter cannister,you would have the fuel still heated from the stock heater and prevent gelling in cold climates. My Fass system has a machined aluminum block that bolts to the stock lift pump location on the fuel filter. You can purchase this separately. It also is a last stop filtration prior to the CP3. If the rubber hoses start to rot or you get anytype of contaminate during installation, the stock filter will keep your injectors safe.

3592788

Ok since my lift pump is still in the stock place(in the engine bay,any ways looks like it and sounds like it) what every is in the tank now must be some kind of canstier, So can i plumb my airdog to that or retro fit it too fit the needs of the airdog. That way no holes or anyhting would have to be made.

Thansk to anyone who might know,

Sandaholic

Yep you would get the AD100 and make sure your supplier gets you the factory connector for your supply from the tank to the airdog. No holes will need to be drilled. I believe if you lowered the tank enough (like take one strap completely off and have the other almost to the bottom of the threads) you'd be able to reach on there and connect your new fuel line, but that is a matter of opinion.

cgmorgan06

Or if you have access to a hoist either 6 or 8 bolts depending if its a short or long bed, and removal of taillights and off comes the bed and everything is right in front of you where you can see exactly what you are doing. I personally thought the bed removal was a fairly easy task.

Stainless

What about BD's OEM bypass?

And what fuse is for the stock lift pump? I'm having issues now to!

Sandaholic

I'm not sure if your stock lift pump can be pulled through by the cp3? Is your lift pump still in the engine bay or have you gotten the in-tank replacement?

From what I understand BD's lift pump is a Carter lift pump or very similar and the whole deal will most likely be bad news for you if you get one. I did a lil' research and it looks like you can get them from 240-270.

You would be better off spending a lil more on a Airdog 100 or a GDP walbro kit with a 2 micron filter (you shouldn't have to drop the tank for either pump). I think these options would run you around 500. You can get either from vendors here. I'd throw the FASS in, but you'd be looking at even more $. The extra money for the filtration is beyond worth it IMHO. It's just gonna cost you. There is also the option of doing some research and making your own walbro kit.

Texan1983

whatkinda of HP does the airdog 100 support?