Fuel Pump questions
Thread Starter
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Elder User
Joined: Oct 2004
Posts: 555
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From: Long Island NY
Fuel Pump questions
I subscribed to ALLDATA and 1st I highly recommend it to everyone.
I was doing some research and came to listings for 3 fuel pumps on my truck? Two of the listings said plastic fuel tank and steel tank. so I would narrow it down to two. Is that correct? One is in the fuel tank and another is where? I do not find a listing for where it is.
Also if I wanted to install larger injectors I know I need to upgrade the fuel pump. I have read all about FASS but was wondering what else there is available? What brands of pumps only are good if I were to go with another air/water seperator set up? Also would the upgraded fuel pump replace the stock fuel pump or go inline with it? Whether it is a FASS system or other and it goes in line with the stock pump where in the system before or after the stock fuel pump and water seperator?
I was doing some research and came to listings for 3 fuel pumps on my truck? Two of the listings said plastic fuel tank and steel tank. so I would narrow it down to two. Is that correct? One is in the fuel tank and another is where? I do not find a listing for where it is.
Also if I wanted to install larger injectors I know I need to upgrade the fuel pump. I have read all about FASS but was wondering what else there is available? What brands of pumps only are good if I were to go with another air/water seperator set up? Also would the upgraded fuel pump replace the stock fuel pump or go inline with it? Whether it is a FASS system or other and it goes in line with the stock pump where in the system before or after the stock fuel pump and water seperator?
Lead Driver
Joined: Sep 2007
Posts: 8,180
Likes: 669
From: Scio, OR
I subscribed to ALLDATA and 1st I highly recommend it to everyone.
I was doing some research and came to listings for 3 fuel pumps on my truck? Two of the listings said plastic fuel tank and steel tank. so I would narrow it down to two. Is that correct? One is in the fuel tank and another is where? I do not find a listing for where it is.
Also if I wanted to install larger injectors I know I need to upgrade the fuel pump. I have read all about FASS but was wondering what else there is available? What brands of pumps only are good if I were to go with another air/water seperator set up? Also would the upgraded fuel pump replace the stock fuel pump or go inline with it? Whether it is a FASS system or other and it goes in line with the stock pump where in the system before or after the stock fuel pump and water seperator?
I was doing some research and came to listings for 3 fuel pumps on my truck? Two of the listings said plastic fuel tank and steel tank. so I would narrow it down to two. Is that correct? One is in the fuel tank and another is where? I do not find a listing for where it is.
Also if I wanted to install larger injectors I know I need to upgrade the fuel pump. I have read all about FASS but was wondering what else there is available? What brands of pumps only are good if I were to go with another air/water seperator set up? Also would the upgraded fuel pump replace the stock fuel pump or go inline with it? Whether it is a FASS system or other and it goes in line with the stock pump where in the system before or after the stock fuel pump and water seperator?
Fleet Owner
Joined: Nov 2003
Posts: 27,872
Likes: 3,592
The FASS system replaces the stock pump. Some folks have had issues w/ the FASS pump losing suction at 1/4 tank.
Air Dog is another choice. You would need an add-on pump along w/ the Air Dog filtration system, but you can keep the stock HFCM w/ it (IIRC). Most folks install a raptor pump w/ this setup.
You may get away w/ using the stock fuel pump even w/ upgraded injectors (Tex25025 would give you good advice on this). IMO, get yourself a fuel pressure gauge before any fuel system mods.
Air Dog is another choice. You would need an add-on pump along w/ the Air Dog filtration system, but you can keep the stock HFCM w/ it (IIRC). Most folks install a raptor pump w/ this setup.
You may get away w/ using the stock fuel pump even w/ upgraded injectors (Tex25025 would give you good advice on this). IMO, get yourself a fuel pressure gauge before any fuel system mods.
Thread Starter
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Elder User
Joined: Oct 2004
Posts: 555
Likes: 0
From: Long Island NY
So I pose the question....
Is it better to run the new pump in parallel with the stock pump? Has anyone tried this as a backup incase something happens? I would imagine that you would need a check valve in front of the stock pump to prevent back flow.
What do you think?
