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FB Dual Pump Hanger

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Old Aug 17, 2011 | 05:54 AM
  #1  
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Default FB Dual Pump Hanger

I've seen several of these threads floating around, but now of course that I want to find them, aren't having much luck.

Anyone have a how-to/diy on it?

I've got a walbro 255lph & FB 290lph pump for it. I'm not sure on the fittings I received and where they go exactly, it came with a stock line fitting kit.

Also, he said the black and green leads off the hanger, are for the float, I'm sure they go to the harness on the car, are they the same color, I haven't looked at it yet.

Tips or tricks to dropping it down in with the pumps would be helpful.

Any help, pictures/etc would be great.

Thanks in advance.
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Old Aug 17, 2011 | 01:14 PM
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26 views and zero response?

I know some of you guys are rocking this, how did the install go?
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Old Aug 17, 2011 | 01:32 PM
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I had to make a couple modifications to several parts that didnt bolt up. Other than that, it wasnt too difficult
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Old Aug 17, 2011 | 02:05 PM
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i used zip ties to hold the socks on, they kept popping off when i would try and put them in the tank, also fittings like these would be a huge help for the top of the hanger http://www.jegs.com/i/Russell/799/612090/10002/-1, did u go -8 feed, -6 return?
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Old Aug 17, 2011 | 03:44 PM
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When you drop the whole assembly in the tank, I had to put it down halfway and turn it 90 degrees counter-clockwise (or clockwise; I can't fully remember) and angle it and then twist it to the right spot. If I tried to put it in fully and then twisting it, it felt like the fuel level sending arm was hitting something. It was confusing at first while I was crammed between the soft top and roll hoop.

I would also recommend getting a 2nd FB pump for it if you're gonna run a decent amount of boost if you are not gonna push in the relief ball/spring on it. I'm pretty sure after the Walbro bleeds off pressure, you're mostly gonna be utilizing the FB pump since its run in parallel.

I would recommend running two 30 amp relays. I used 15 amp fuses on each relay harness, but would go with 20 amp fuses if you're gonna be pushing the pumps. Just run each relay to each pump like you would if you were rewiring a single pump and splice both relay trigger wires to the same stock power wire for the stock fuel pump harness.
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Old Aug 17, 2011 | 04:04 PM
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I just looked outside at my car and heres which wires go where.

Solid Yellow wire from stock pump harness goes to the fuel pump triggers.
Yellow wire with black stripe from the stock pump harness goes to the Green fuel level sender wire from the FB hanger.
There are 2 black wires on the stock pump harness. One of these goes to the black wire off of the FB hanger for the other fuel level sender wire. I think you'll have to guess as thats what I did. I used tape to temporarily hold it together and turned the key on to see if the fuel level showed on the dash or not. I originally hooked it up to the wrong wire and nothing was damaged.
The remaining black wire is just a ground. I have mine taped.
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Old Aug 17, 2011 | 08:01 PM
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Originally Posted by penguinsintuxedos!?
I had to make a couple modifications to several parts that didnt bolt up. Other than that, it wasnt too difficult
Such as?



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Old Aug 17, 2011 | 08:05 PM
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Originally Posted by passmans2kny
i used zip ties to hold the socks on, they kept popping off when i would try and put them in the tank, also fittings like these would be a huge help for the top of the hanger http://www.jegs.com/i/Russell/799/612090/10002/-1, did u go -8 feed, -6 return?
Good advice thanks.

I kept the stock lines for now.


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Old Aug 17, 2011 | 08:08 PM
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I am out of town till Saturday I will check for you as soon as I am home if there are no answers.
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Old Aug 17, 2011 | 08:09 PM
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Originally Posted by D1sclaimer
When you drop the whole assembly in the tank, I had to put it down halfway and turn it 90 degrees counter-clockwise (or clockwise; I can't fully remember) and angle it and then twist it to the right spot. If I tried to put it in fully and then twisting it, it felt like the fuel level sending arm was hitting something. It was confusing at first while I was crammed between the soft top and roll hoop.

I would also recommend getting a 2nd FB pump for it if you're gonna run a decent amount of boost if you are not gonna push in the relief ball/spring on it. I'm pretty sure after the Walbro bleeds off pressure, you're mostly gonna be utilizing the FB pump since its run in parallel.

I would recommend running two 30 amp relays. I used 15 amp fuses on each relay harness, but would go with 20 amp fuses if you're gonna be pushing the pumps. Just run each relay to each pump like you would if you were rewiring a single pump and splice both relay trigger wires to the same stock power wire for the stock fuel pump harness.
I did the the relief fix on the walbro last time I had it out. Held fuel pressure for 25lbs of boost last tune on base pressure.

I also already have my walbro on a relay, I'll just add another one, I forget what I used last time, but I have another one on hand.


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