Quad X ring for Thermoquad primary well seal

Fuel and Air Systems

  1. joseph lamb

    joseph lamb Member

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    I have a 6139s 1972 Duster carb that swells up the X rings real quickly causing massive fuel leak into the primaries .

    Please , I am desperate after three carb kits to get the correct kit or seals that will not swell up and fail .

    Want to not replace this OE carb , when it is first rebuilt it runs really well

    Thermoquad is my baby , but flooding is severe

    Thank you sooooo much !!

    Joe inTampa

    email Tampawaterdog@aol.com
     
  2. RustyRatRod

    RustyRatRod 30 Degrees Outta Whack FABO Gold Member

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    Search Ninja Fuel Systems on Ebay. All the kits they sell are ethanol friendly. That's what makes the seals swell.
     
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    • mderoy340

      mderoy340 Well-Known Member

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      Rebuilt mine several years ago with a Tomco kit, no problems.
       
    • joseph lamb

      joseph lamb Member

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      well thank you for the info , will give it a try!!
       
    • joseph lamb

      joseph lamb Member

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      ninja !!! I will check it out and thank you !!!
       
    • joseph lamb

      joseph lamb Member

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    • 66fs

      66fs Well-Known Member

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      I have some Viton ones. Let me know.
       
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      • Dicer

        Dicer FABO Gold Member FABO Gold Member

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      • jas0162

        jas0162 Well-Known Member

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        My one and only Thermo-Quad rebuild went well and the truck ran great. Then a few months later those well seals failed and it ran like crap again. I don’t remember the kit brand, but it was supposed to be a good one. Kinda frustrating
         
      • joseph lamb

        joseph lamb Member

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        Viton !!! have not heard that word in 35 years !!!!thank you for the info willlet you know soon
         
      • joseph lamb

        joseph lamb Member

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        I did these TQ for a living in the 1970s and never had any come backs !!! USA parts ????
         
      • dibbons

        dibbons Well-Known Member

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        Are we talking about "well plug o-rings"? Ninja sent me an email and they are asking me that. Thank you.
         
        Last edited: Sep 14, 2019 at 11:47 AM
      • jimjimjimmy

        jimjimjimmy lobsterman FABO Gold Member

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        Living where I do back in the day before internet parts were hard to get so I would use SB chevie valve stem seals and they worked but we never had alcohol in our fuel .
         
      • joseph lamb

        joseph lamb Member

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        I understand they are Called quad X rings????? seal up the primary circuit . When these things leak the old 1972 Chrysler service manual says it will cause a RICH mixture , are you kidding me ???.....never seen a TQ puke more fuel in my life .But I guess they are not O Rings .....Thanks
         
      • joseph lamb

        joseph lamb Member

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        I just got in a carb kit for TQ from NINJA and it is just a WALKER , hope it works !! Fourth kit...ugh
         
      • joseph lamb

        joseph lamb Member

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        well just ordered the Quad rings from Carbs Unlimited!!! sometimes I love the INTERNET help!!
        thank you so much

        I will test these rings before install and report their quality ...Joe
         
      • RustyRatRod

        RustyRatRod 30 Degrees Outta Whack FABO Gold Member

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        No. I've already said it once. Ethanol. Not all kits are ethanol friendly.
         
      • RustyRatRod

        RustyRatRod 30 Degrees Outta Whack FABO Gold Member

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        Yes the Walker kits are ethanol friendly.
         
      • joseph lamb

        joseph lamb Member

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        YOU ARE APPRECIATED !!!!.thanks for the good info to makre the TQ like NEW .I now have 4 of them to work on ....
         
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