[Reference] Fuel tank lockring - repop comparison

General Mopar Tech Discussions

  1. cudak888

    cudak888 Well-Known Member

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    If it's the thin one like in the example pictures, chances are that it's a non-factory replacement still; just one that was installed there a long while ago.

    -Kurt
     
  2. cudak888

    cudak888 Well-Known Member

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    Probably better to double up on the rubber seal than try to throw sealant at it - or simply order the $15 ring that works right. Small change for the peace of mind.

    -Kurt
     
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    • moparedtn

      moparedtn Ed on the Ridge FBBO Gold Member

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      I can attest to not using sealant.
      Been there, done that.
      There's actually a rather extensive thread on here about this very subject, when I went through all this (including multiple "tank drops"):
      http://www.forbbodiesonly.com/moparforum/threads/new-gas-tank-still-leaks.112708/

      No way any aftermarket retainer ring is thicker than the original, BTW.
      I've tried them all. The original ring is the way to go. Just need the proper thickness gasket is all.
       
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      • Cornpatch MO

        Cornpatch MO Well-Known Member

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      • Cornpatch MO

        Cornpatch MO Well-Known Member

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        Look at pics in the first post of this thread , page one. It shows a difference in retainer ring thickness...........................MO
         
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        • moparedtn

          moparedtn Ed on the Ridge FBBO Gold Member

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          Yep - and it proves my point.
          Crappy aftermarket on the left (thinner), Bill Rolik's reproduction on the right.
          Bills' is as thick as the original; it's an exact reproduction, but no thicker.
          Good stuff.
           
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          • Car Nut

            Car Nut Well-Known Member

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            I noticed Bill has a stainless steel lockring, is it as thick as the other one he's selling?
             
          • cudak888

            cudak888 Well-Known Member

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            I believe so.

            -Kurt
             
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            • 73HEMI_RR_GTX

              73HEMI_RR_GTX Well-Known Member

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              Yep,
              I replaced my sending unit and I used perma-tex tack on both sides of the gasket (sparingly) about 8 months ago. No leaks yet.
               
            • CoronetRR

              CoronetRR Member

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              I put a new tank on mine last june, can't remember if it was spectre or dorman but it just started leaking. Fuel is dripping off the driver side seam of the tank, i'm guessing it is leaking from the send unit.

              just ordered this one, doesn't look like he sells the gasket.

              http://www.billrolikenterprises.com/proddetail.asp?prod=1730095-SS
               
              Last edited: May 4, 2017
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              • pwDave

                pwDave Well-Known Member

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                Cuda, thanks for the heads up on the gas tank ring, put my new tank in and used the thin lock ring, read your post and promply went back out to the shop and put my old ring back on, poured ten gallons in yesterday and No leaks, thank you again for saving me a lot of trouble. pw Dave
                 
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                • cudak888

                  cudak888 Well-Known Member

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                  No problem, glad to know it prevented further headaches.
                   
                • Bruzilla

                  Bruzilla Well-Known Member

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                  I just drained my tank using one of these. They are $10 at Home Depot. Just replace the crappy hose they come with with some better hose for another $5 or so and they work great.

                  shopping?q=tbn:ANd9GcQvwmpdtp6uYIz3E0MMG4HAgSIcVDrK7JiMtSQzs6Rg_ozS0IsB&usqp=CAY.jpg

                  Mine pulled out about 11 gallons from the tank pretty quickly, and when I dropped it there was about 1/2-3/4 of a gallon left inside, which wasn't bad.

                  As for the ring, I bought a new tank that was made in Canada and a new sender made in China. Both came with rings and both were identical. They looked to be about the same as the stock ring, but I opted to reuse the stock ring anyway and no leaks.
                   
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                  • CoronetRR

                    CoronetRR Member

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                    FYI Just installed the Lock Ring above last night it is significantly thicker than what came with the sending unit. I filled the tank up all the way and so far so good. Bill's ring is a little expensive but seems to be high quality. If you are putting a new tank in don't even mess with it get this ring or find an NOS one.
                     
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                    • 67belvedere/225

                      67belvedere/225 Well-Known Member

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                      I just did my sender and the jobber ring I had to bend it more to get a tight fit
                      it good now
                       
                    • MOPARENT

                      MOPARENT Well-Known Member

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                      I put mine together on the ground and simply air checked it...soapy water on the ring and gasket tell the tale....
                       
                    • Lelo 500

                      Lelo 500 Well-Known Member

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                    • cudak888

                      cudak888 Well-Known Member

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                    • mopar73dge

                      mopar73dge Well-Known Member

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                      Mine also, I had to bend the new lock ring it was very tight after that.
                       
                    • 440beep

                      440beep FBBO Gold Member FBBO Gold Member

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                      I just ordered the Bill Rolik fuel sending unit retainer ring and rubber gasket. It was nice here yesterday so I took the Bee out for Christmas. Afterwards, parked it in the garage, and later last night I noticed the gas smell in the garage, and this morning it was very potent. Discovered some fuel spill on the garage floor and the tank was soaked with fuel seeping out. Looked to be coming from around the lock ring and gasket area, and maybe even the 3/8 out fuel line. For some reason I get these random fuel leaks; will mess with it, then the leak is gone. Then BAMM, months later its back for no reason.

                      What is everyone using for clamps on the fuel line that connects to the sending unit? I'm using the factory style clamps that you squeeze together to spread them open. I'm not keen on those clamps that are tightened with a screwdriver, seems like the hose could be punctured with those.
                       
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