Fuel system upgrade questions
Lead Driver
Joined: Dec 2006
Posts: 7,093
Likes: 147
From: San Diego, CA
It shouldn't be a problem. I haven't read of many people installing it on the 7.3L.
Most of us do the Hutch mod (and do the Harpoon mod too while we're in the tank) to remove the air pre-pump and install our filter of choice (I recently moved from a spin-on filter to a Racor PS120-02).
Not as pricey as the Airdog II but still very effective IMO.
Any 7.3L questions I recommend posting in the 1999-2003 7.3L forum. Many knowledgable people hanging out over there compared to here. Some of us cruise over here in the general SD forum but since our trucks are at least 15 years old we aren't as relevant here.
Most of us do the Hutch mod (and do the Harpoon mod too while we're in the tank) to remove the air pre-pump and install our filter of choice (I recently moved from a spin-on filter to a Racor PS120-02).
Not as pricey as the Airdog II but still very effective IMO.
Any 7.3L questions I recommend posting in the 1999-2003 7.3L forum. Many knowledgable people hanging out over there compared to here. Some of us cruise over here in the general SD forum but since our trucks are at least 15 years old we aren't as relevant here.
Hotshot
Joined: Jul 2013
Posts: 14,285
Likes: 2,195
You have options on how to use it
a lot of folks replace the lift pump with the airdog
i installed the airdog in between my tank and lift pump that way if one failed the other would still work.
it doesn’t replace the hpfp .
a lot of folks replace the lift pump with the airdog
i installed the airdog in between my tank and lift pump that way if one failed the other would still work.
it doesn’t replace the hpfp .
Logistics Pro
Joined: Mar 2012
Posts: 3,507
Likes: 121
From: Oregon
Airdog sells a kit that is made specifically for the 7.3 that's has the premade lines as well as has the pumps pressure regulator set at the proper psi for the truck. If you put the airdog in I would go ahead and drop the tank and remove the in tank screens as they will be unnecessary with the airdog in place.
Lead Driver
Joined: Dec 2006
Posts: 7,093
Likes: 147
From: San Diego, CA
Airdog sells a kit that is made specifically for the 7.3 that's has the premade lines as well as has the pumps pressure regulator set at the proper psi for the truck. If you put the airdog in I would go ahead and drop the tank and remove the in tank screens as they will be unnecessary with the airdog in place.
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New User
Joined: Dec 2018
Posts: 1
Likes: 0
I removed the sending unit from the gas tank and found the pickup foot broken off and in pieces. I also found a large plastic disk in the bottom of the tank. The disk is just big enough that it won't fit through the opening. I believe it is possible that the disk broke the pickup foot. Has anyone else seen this? Is the disk supposed to be in the tank? I'm going to do my best to remove the disk from the tank. I suppose it may have been the piece cut out for the opening in the tank.
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