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Forums28
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Jul 28th, 2026
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Joined: Jul 2004
Posts: 891
J30.us
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J30.us
Joined: Jul 2004
Posts: 891 |
Anyone replaced a fuel tank inspection port gasket. Mine is 40+ years old and as hard as a rock. The gasket appears to be a 6" circle.
I am willing to make a gasket if any has recommendations on type of fuel resistant rubber.
Calling all engineers in the J/30 world for advice.
nitrile rubber sheet?
1/16 of an inch?
Dave@j30.us
Last edited by David Erwin; 04/14/25 03:44 PM.
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Joined: May 2007
Posts: 2,685 Likes: 1
Past J/30 Class President
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Past J/30 Class President
Joined: May 2007
Posts: 2,685 Likes: 1 |
You nailed it Dave. Nitrile rubber (NBR), also known as Buna-N.
1/16" should be good.
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Joined: Jul 2004
Posts: 891
J30.us
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J30.us
Joined: Jul 2004
Posts: 891 |
I picked up Buna-B. Made a gasket.
What material would you recommend sealing the screws? Permatex?
Thanks Bill!
Last edited by David Erwin; 04/20/25 08:40 AM.
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Joined: May 2007
Posts: 2,685 Likes: 1
Past J/30 Class President
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Past J/30 Class President
Joined: May 2007
Posts: 2,685 Likes: 1 |
Yes - use Permatex High Performance Sealant with PTFE (Teflon).
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Joined: Jul 2004
Posts: 891
J30.us
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J30.us
Joined: Jul 2004
Posts: 891 |
Thanks Bill! This is why I love the J/30 Class and forum.
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