1. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    I just installed the areomotive phantom in tank fuel pump for my 71 Road Runner, I dont want to modify my trunk floor to clear the pump. I'm thinking about cutting some spacers from some composite decking material I Have laying around. Just wondering what are others using? 20180210_162706.jpg 20180210_192514.jpg 20180210_192625.jpg
     
  2. Yatzee

    Yatzee Well-Known Member

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    That's precisely what I did with my tank. Using square pieces of oak ( like is used between the box and frame on box trucks ) I measured the drop needed and fabricated long, slightly wedged pieces that sit in the top grooves of the tank, front to back. The drop was more at the front of the tank and less at the rear, enough to clear the lines and electrical wires. I used a shop jack to raise and position the tank and when I was satisfied with the fit and level of the tank laterally, I attached the oak strips to the tank using PL Premium lightly. The straps had to be replaced using flat bar the same thickness and width as the originals and lined with self-stick closed cell foam strips on their top side about 1/4 inch thick. This ensured that the tank would not shift sideways on cornering. Do not over tighten the straps and when you can't move the tank by pushing on it with your foot, the straps are tight enough. Recheck strap tightness after the tank is full as it will have more kinetic energy on stops and turns with 180 lbs. of fuel or more in it. If your unsure of it moving use side rails. Doing it this way ensures no rusting of the underside of the trunk floor from a wet tank pad, allows cool air to circulate above the tank and the tilt forward keeps the fuel up front where the pump is. My tank is a side fill and the entire filler sections fit to the tank without modifications. You've probably bought the best in-tank pump available so take your time and do the installation right.
     
  3. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Thanks, I didnt think about cutting the spacers in a wedge shape, I think i will do that and drop only the front of the tank by 1/2 inch.
     
  4. rrTor-Red

    rrTor-Red FBBO Gold Member FBBO Gold Member

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    I'm interested in the kind of pump you put in. I too, have a '71 as well. Are you going to fuel injection? Just curious.
     
  5. rescuediver1982

    rescuediver1982 Well-Known Member

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    I just used 1" square tubing and made some brackets so it could be bolted to the floor. I simply used new longer J bolts to reattach the factory straps. Lowered the entire tank about 1" . I haven't been to the gas station yet but I don't foresee a problem with the angle of my rear fill neck.

    35720138566_baa2afd5ff_k.jpg Untitled by rescuediver1982, on Flickr
     
  6. Paul_G

    Paul_G Well-Known Member

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    Great ideas guys. I have a 72 Charger and dont want to modify the trunk floor either. I use it as a trunk. I like the idea of the square tubing mounted to the trunk floor. Keeps the tank from moving sideways.
     
  7. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Yes going to a Fitech tbi system
     
  8. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Test fitted the tank today. The top of the pump does touch the trunk floor. Only need a extra 1/4 inch of space. I'm going to cut two small 1/2" wedge spacers from the composite deck material. I'll let you know how it works. This pic is with no spacer, but the pump top touches the trun k floor

    20180219_155119.jpg
     
  9. Paul_G

    Paul_G Well-Known Member

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    Could you just message a circle 1/2" up on the trunk floor where it contacts the fuel pump? Hammer work, probably wont notice it on the inside of the trunk.
     
  10. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Thinking about doing that, if the spacer idea doest work out.
     
  11. Paul_G

    Paul_G Well-Known Member

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    What troubles me with the spacer is, your going to lower the front of the tank. Will the straps still fit? Or maybe have to fab new straps, or make extensions to hang on the factory strap mount location and hang the strap on the extension.
     
  12. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Where did you get the longer bolts for the rear?
     
  13. watermelon

    watermelon FBBO Gold Member FBBO Gold Member

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    longer home depot or lowe’s eye bolts work

    just cut eye to approx shape as original. you could tack weld a small washer on cut end to add the flat like the original has (my 66 had a flat portion on the open eye end)
     
  14. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Good Idea, didn't think of that. I'll pick some up today just incase i need them.
     
  15. coloradodave

    coloradodave FBBO Gold Member FBBO Gold Member

    My Photo Garage
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    I used longer carriage bolts from Lowes and drilled 3/4" holes in the trunk floor and 3/8" holes in the bottom of the cross-member. Put slight bends in the bolts to mimic the original J-bolts. Plugged the trunk holes with rubber plugs. Worked for me with my new Rick's S/S tank.

    DSCN0155.JPG DSCN0171.JPG DSCN0065.JPG
     
  16. rrTor-Red

    rrTor-Red FBBO Gold Member FBBO Gold Member

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    Here is another option. This company has stainless steel washers, bushings, etc, etc. and they'll even make what you need:thumbsup:

    https://www.extsw.com/
     
  17. rescuediver1982

    rescuediver1982 Well-Known Member

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    I got some longer “j” bolts from Napa, they are just a universal j bolt and cut them to length.
     
  18. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Thanks, I will check with my local napa
     
  19. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    How do you like the ricks tank, I emailed them when I was looking for a efi tank for my 67 coronet, but never got a response. Ended up going with Hot rod city garage. They make custom tanks. I was very pleased with it. I would have ordered one for my road runner, but already had a new tank and sending unit, before deciding to convert to efi. The Hot Rod City garage tank was almost to pretty to put under the car where no one will see it.View attachment 574383

    20170425_171135.jpg
     
  20. 71RRHI

    71RRHI FBBO Gold Member FBBO Gold Member

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    Good info for future projects