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AN Bulkheads on OEM Fuel pump hat

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Old 11-01-2017, 12:49 PM
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Default AN Bulkheads on OEM Fuel pump hat

I'm starting the wiring on my fuel system and came to a point of actually realizing that the mustang has a Fuel Pump Control Module that actually regulates the voltage to the pump to regulate fuel pressure at the rails. (Very high level description)

I'm going to be bypassing this system as I've seen examples of it burning out other aftermarket in-tank pumps that are not meant to have varying voltage that an OEM pump would likely see.

There are tons of aftermarket fuel hats for the mustangs, however the prices are fairly larger than I'd like to spend. $750- $2500. I've see Granatelli created a pickup tube for the Foxbody tanks that would work with AN fittings directly, and use an inline pump. I like this idea, and I'd only be into it for $100-$200 depending on how inexpensively I could get a fox tank.

I was wondering if anyone has used an AN bulkhead connector in the fuel hat in place of the hardlines from the OEM hat, and then ran the braided hose to the fuel rail. Run standard EFI rated rubber hose in the tank and a secondary bulkhead for the return line.

Any downfalls with the initial idea? so Stealth 340 in tank pump, through rubber hose, into the -10 or -8 Bulkhead connector, 90* fitting, then braided PTFE hose to the Regulator. On the way back, -6 hose, to a 90* at the hat, through the 2nd bulkhead and drains onto the assembly from there.
Old 11-01-2017, 12:55 PM
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Here is a link to what I was able to find on an S197 forum, just by pure luck it was a mustang.

http://www.modularfords.com/threads/...-Fuel-Pump-Hat
Old 11-01-2017, 12:58 PM
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Here's a pic for those who aren't able to click on links due to using your work computer
Attached Thumbnails AN Bulkheads on OEM Fuel pump hat-oem-fuel-hat-bulkhead-connectors.jpg  
Old 11-01-2017, 04:56 PM
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In tank hose has to be rated on the outside also. You'll know it's the right hose because it costs $13 a foot for 3/8"

Electric pumps don't like to pull so mount them close to the tank as possible and if possible low so gravity can help once it is primed.
Old 11-02-2017, 06:49 AM
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Yeah I know which hoses to use for it and I plan on mounting the pump at the OEM height within the assembly, I just didn't know if anyone had ever done this and has issues or had issues with bulkheads on the Fuel pump hat.

I feel as if this isn't a bad idea, I just want to hear possible drawbacks to the bulkheads if there are any.
Old 11-02-2017, 09:42 PM
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I've seen them made and sold for Camaro, so there must be a way to do it. Not sure if you want to use the normal nut. I'd think threading it into the hat also would allow you to use a thread sealer and get a better seal.
Old 07-26-2020, 07:37 AM
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Originally Posted by Andler2008
Here's a pic for those who aren't able to click on links due to using your work computer
Did this setup work out? Any issues?
Old 07-26-2020, 02:28 PM
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Originally Posted by Andler2008
Here's a pic for those who aren't able to click on links due to using your work computer
This is the way to do it. They are fuel cell fittings. Not regular bulkheads.
Old 07-28-2020, 07:43 PM
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Originally Posted by Twin_Turbo
This is the way to do it. They are fuel cell fittings. Not regular bulkheads.
Can't you just use a Vibrant Performance 10612 bulk head, some 10694 nuts and 16894W washers on a factory 99-02 plastic fuel tank hat without threading the plastic?



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