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12-22-2021, 05:42 PM | #1 |
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Join Date: Dec 2016
Posts: 61
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Leaking Gas line @ carburetor
Friends: Installed a rebuilt carb in my'29 coup; tightened the hex compression nut (new ferrule) down to two threads showing and get a very small leak (about a teaspoon every 24 hrs). Am afraid to tighten the compression nut further for fear of stripping the carb threads. Snyders sells an oversize ferrule which might be one cure? Is there a common "paste" that can be applied to the forward-end of the ferrule to help make a perfect gas-tight connection? Many Thanks for your help.
IndyA |
12-22-2021, 07:08 PM | #2 |
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Re: Leaking Gas line @ carburetor
I have used Indian shellac. also try and tighten a little more ensuring the gas line is not pushed in to far.Also have seen where the ferrule has a hair line crack .
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12-22-2021, 07:22 PM | #3 |
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Location: Tasmania Australia
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Re: Leaking Gas line @ carburetor
Had same problem.. fixed by a few turns of plumbers tape/ thread seal tape on the line just behind the ferrule and tighten as per usual. Job done.
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Tassie Devil |
12-22-2021, 07:34 PM | #4 |
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Re: Leaking Gas line @ carburetor
Be sure to Use the yellow petroleum tape. They have it at Home Depot
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12-22-2021, 07:42 PM | #5 |
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Location: Melbourne, Australia
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Re: Leaking Gas line @ carburetor
A little dab of Permatex No 3 will do it.
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12-22-2021, 10:00 PM | #6 |
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Re: Leaking Gas line @ carburetor
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12-22-2021, 11:11 PM | #7 |
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Location: Camarillo, Ca
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Re: Leaking Gas line @ carburetor
I've used this thread tape successfully on gasoline leaks. Shop around --- it does come in a 1/2 inch wide roll.
https://www.amazon.com/Millrose-Mill...91389132&psc=1 |
12-25-2021, 09:18 AM | #8 |
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Join Date: Dec 2016
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Re: Leaking Gas line @ carburetor
And a "dab" did it !!! 5 Great Suggestions ...Thank you all. Indy A
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12-25-2021, 11:55 AM | #9 |
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Join Date: Nov 2018
Location: Farmington MI
Posts: 281
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Re: Leaking Gas line @ carburetor
Along the line of the solder suggestion that Bud made... I will sweat solder the ferrule to the tube before assembly. That seems to improve sealing and it requires less torque on the fitting to give a good seal.
Joe B |
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