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Need pics of fuel neck for underseat tank

Discussion in 'Early CJ5 and CJ6 Tech' started by msm5108, Mar 5, 2010.

  1. Mar 5, 2010
    msm5108

    msm5108 New Member

    PA
    Joined:
    Jan 8, 2010
    Messages:
    4
    I am going to move my tank back under seat, and was hoping somebody had pictures of the fill neck from both sides with cap off...i have a fiberglass body, so i am going to order a plate, grommet, and vented cap... I think this should be all i need since the PO put an underseat tank in the rear for some reason...

    Does everything just line up? fill line from plastic tank to neck plate with grommet? and the cap just wedges in? no screw on or off? i didn't have the original to work with so i don't know, and I am hoping it will all just fit in nice, without any hard work.

    Thanks guys!
     
  2. Mar 5, 2010
    Ugly67

    Ugly67 Displaced son of Texas

    Longmont, CO
    Joined:
    Jan 4, 2006
    Messages:
    44
    Just understand with the under seat tank and the vented cap you will probably experience something similar to the Exxon Valdez every time that you pull a hard right turn. People complain about their Jeeps' poor gas mileage. It's not the gas that goes through the carburetor, it's the gas that sloshes out the tank that creates the problem! I've been exploring a fix for many moons and have yet to determine a suitable solution since I haven't found a gas cap that will seal effectively, but I'm still working it. Maybe some of the other threads out there can offer a solution. It seems that your PO decided to fix the problem by moving the tank out from under the seat.
     
  3. Mar 5, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
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    8,360
    MTS has vented cap that doesn't leak. At least mine didn't for several years.
    When it started leaking thru the vent I JB'd it shut. I already had an added vent in the filler neck.
     
  4. Mar 5, 2010
    dauntless_powered

    dauntless_powered SUB COB 2024 Sponsor

    Groton, CT
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    Nov 3, 2003
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    1,000,081
    I have never had an issue with gas coming through my caps (shrugs maybe just lucky)
     
  5. Mar 5, 2010
    cj6/442

    cj6/442 Sponsor

    Fallbrook, Calif
    Joined:
    Feb 6, 2008
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    2,734
    really man mine just pours out of the new napa cap ,,, , I fixed it now though.
     
  6. Mar 8, 2010
    Ugly67

    Ugly67 Displaced son of Texas

    Longmont, CO
    Joined:
    Jan 4, 2006
    Messages:
    44
    What is this M T S? and where can I buy one? My Carquest cap is closer to a funnel than a cap.
     
  7. Mar 8, 2010
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
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    5,470
    Find them HERE
     
  8. Mar 8, 2010
    1960willyscj5

    1960willyscj5 Well-Known Member

    Mesa, Arizona
    Joined:
    Nov 27, 2006
    Messages:
    2,793
    That MTS fit a stock tank?
    Those tanks and fuel necks don't come close to the one in my '60 Willys.
    Also the only time I've had spillage out of mine is when the pump wouldn't shut off.
    The cap has never leaked on me.
     
  9. Mar 8, 2010
    Ruger

    Ruger New Member

    Joined:
    Dec 28, 2007
    Messages:
    21
    Mine never leaks.

    [​IMG]

    [​IMG]
     
  10. Mar 8, 2010
    unclebill

    unclebill Banned

    a sun blasted...
    Joined:
    Feb 17, 2009
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    i have always been afraid of places that are coy about telling me how much something costs.
    like MTS.
    usually when i eventually find out how much i run away.
     
  11. Mar 8, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
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    All you have to do is call them. Mine was ~150-175 IIRC.
     
  12. Mar 9, 2010
    Hawkes

    Hawkes Member

    Nova scotia
    Joined:
    Jun 18, 2003
    Messages:
    490
    I wonder if they understand that line of thinking? I feel the same way. When I'm vehicle shopping online I skip the ones with no price.


    I get some spill out of my rear tank on off camber that has 18" of fill tube through a locking gas cap. I try not to fill it full.
     
  13. Mar 9, 2010
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
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    12,529
    I think some of the reason for not pricing stuff on line by these shops is sometimes the prices change quickly and if you're not computer savvy it can be a real pain to go in and change prices all the time to keep things current.
     
  14. Mar 9, 2010
    Ugly67

    Ugly67 Displaced son of Texas

    Longmont, CO
    Joined:
    Jan 4, 2006
    Messages:
    44
    Well...just ordered my new leak proof MTS cap. It's a big day. They told me it was $19.95 and about $5 shipping (priority). We'll see how well it works and if it stops my problem with...spillage.
     
  15. Mar 9, 2010
    Hubie

    Hubie New Member

    Bath, ME
    Joined:
    Mar 2, 2010
    Messages:
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    Do you still want a pic or two? I have a 57 CJ5 we are just now disassembling. I just took the top off and the seats out of it, so it should be original installation. Minus the rust of course....
     
  16. Mar 9, 2010
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    Pricey, yes. But it's the only cap that's sealed for me.
     
  17. Mar 10, 2010
    dohc281

    dohc281 It is what it is.

    Laurel Springs, N.J.
    Joined:
    Dec 30, 2004
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    605
    Mine doesn't leak but is a bear to get on and off.
     
  18. Mar 10, 2010
    Ugly67

    Ugly67 Displaced son of Texas

    Longmont, CO
    Joined:
    Jan 4, 2006
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    With gas a $2.60/gallon, and the amount I used to slosh out, I figure it won't take long to pay back the price difference.
     
  19. Mar 10, 2010
    Don X

    Don X The Prodigal Moderator Staff Member 2023 Sponsor

    San Diego,...
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    It's be even quicker at $3.09 a gallon :rofl:
     
  20. Mar 12, 2010
    LOW2000

    LOW2000 New Member

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    Jan 10, 2009
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    Here you can see the telltale sign of a gas cap that never seals, terrain that had my lev-o-gage at 45* and dust on the trail.

    [​IMG]
     
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