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What goes under the fuel tank?

Discussion in 'Early Jeep Restoration and Research' started by Txjake, Jul 18, 2006.

  1. Jul 18, 2006
    Txjake

    Txjake I wrenched with Sparky

    Oklahoma City OK
    Joined:
    Feb 3, 2006
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    544
    In other words, is there a material the factory put on the floor underneath the fuel tank on a early CJ5? Sort of a cushioning material or heat guard?
     
  2. Jul 18, 2006
    jd7

    jd7 Sponsor

    Nacogdoches,Texas
    Joined:
    Mar 30, 2004
    Messages:
    1,745
    I used to find that the flap out a large truck tire worked pretty good for me. It was available kept vibration to a minimum and kept the tank from moving. Really works pretty well if you have put bedliner inside the body.
     
  3. Jul 18, 2006
    willysnut

    willysnut Banned

    Newnan, Ga.
    Joined:
    Oct 8, 2003
    Messages:
    654
    I used a large piece of 1/8" rubber stock.
     
  4. Jul 18, 2006
    neptco19

    neptco19 That guy....

    Athens, GA
    Joined:
    Sep 26, 2003
    Messages:
    1,381
    I cut a old serpentine belt and epoxied it to it in strips about 10" apart. Has worked great so far.
     
  5. Jul 18, 2006
    mtndewmaniac66

    mtndewmaniac66 Down to Earth!

    Vernal, Utah.
    Joined:
    May 25, 2006
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    178
    I like the strips of rubber idea. This will help eliminate any water from being trapped and rusting out the fuel tank or the floorboard.
     
  6. Jul 18, 2006
    vanguard

    vanguard

    I just did the same!
     
  7. Jul 18, 2006
    1968 Cj5

    1968 Cj5 New Member

    Joined:
    Jul 11, 2006
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    3
    I have a '68 CJ5 that I have had since new. When I removed the gas tank, there wasn't anything between it, and the floor. There was a rubber strip under the metal strap that held the tank in place under the seat, but nothing between it and the floor. I would be careful about putting any type of rubber mat between the tank and the floor only because condensation tends to develop under rubber mats and it will eventually lead to a rust problem. I think that using a couple of small rubber strips would be ok as long as it was sealed in such a way as to prevent condensation or moisture being trapped underneath of it.
     
  8. Jul 19, 2006
    russo

    russo Hope is not a method

    Norris, Tennessee
    Joined:
    Oct 28, 2005
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    498
    I use a well painted (sealed) set of wood blocks in an effort to keep it where it will drain and not hold moisture. We'll see if it works over time.
     
  9. Jul 22, 2006
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
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    8,360
    Mine has oak strips, factory....
     
  10. Jul 25, 2006
    Gump

    Gump Old Timer

    Bethel, CT
    Joined:
    Jun 1, 2004
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    236
    I had dead leaves.

    I like the rubber strips idea for when I put it back.
     
  11. Jul 25, 2006
    James P. Enderwies

    James P. Enderwies Sponsor

    Lake Havasu City, AZ
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    747
    My '68 has nothing also. Was thinking of a couple of strips of nylon or the like. Prolly find it at the local hardware store as window molding of something.
     
  12. Jul 25, 2006
    CJ

    CJ Member

    Phoenix, Arizona
    Joined:
    Mar 5, 2006
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    200
    My '55 has the original "????" under the tank. I did not inspect it very carefully, but at a glance, it looked like strips of some type of foam or rubber that was pretty dried up. I believe there were 2 to 4 strips of it under there. I will inspect more carefully when the tank is out next time.
     
  13. Aug 21, 2006
    60CJ6

    60CJ6 BFH Guy

    Joined:
    May 30, 2005
    Messages:
    59
    Mine had nothing under it when I got it as well.It was rusted though. I used some devcon brushable ceramic to repair it and it hasn't leaked yet other then through the filler neck cap. I got the stuff from where I worked many moons ago (a copper/moly mine)
     
  14. Aug 22, 2006
    Rondog

    Rondog just hangin' out

    Parker, CO
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    Aug 25, 2005
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    2,918
    I asked Rich at Beachwood Canvas once about this, and he didn't recommend anything under the tank because it would hold moisture and promote rusting. Reckon I'll worry about it when the time comes.
     
  15. Aug 22, 2006
    mccjdj

    mccjdj New Member

    Ia
    Joined:
    Feb 20, 2006
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    13
    originally came with 4 strips of anti-sqeak measuring 18 11/16" x 1"
     
  16. Aug 22, 2006
    wilfreeman

    wilfreeman New Member

    Richburg, SC
    Joined:
    Aug 20, 2006
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    I ordered canvas webbing body mount pads, gas tank pads, and gas tank strap pad from Beachwood Canvas a couple of years ago. Now that I am restoring my M38A1, I am thinking of going with rubber instead - I'd hate to install the canvas webbing and start a rusting epidemic in my new floors. Although, I am going to undercoat the bottom of the tub and Rattleguard (Line-X) the inside, so it probably wouldn't hurt anything except the gas tank.

    Matt
     
  17. Nov 14, 2006
    Slifter

    Slifter Big Willy

    Vancouver Island
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    Jul 30, 2006
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    34
    bottle caps, rotting leaves and empty cigarette packs...
     
  18. Nov 14, 2006
    $ sink

    $ sink Gazillians of posts

    Virginia Bch
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    Nov 25, 2004
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    don't forget a couple of jelly beans and a penny or two
     
  19. Nov 14, 2006
    Rondog

    Rondog just hangin' out

    Parker, CO
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    Aug 25, 2005
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    And a couple shotgun shells for good measure, maybe some .22's too. Oh, and a small fishing bobber!
     
  20. Nov 14, 2006
    JZ

    JZ Member

    Huntsville...
    Joined:
    Jul 27, 2004
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    140
    My PO had used a liberal coating of roofing tar. (And I found a penny also... B^)
     
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