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03-31-2020, 08:13 PM | #1 |
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Location: Mt. Pleasant, SC
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Best way to seal threads on indented firewall gas valve
I typically use teflon tape for this - is there a better way ??
Many thanks - JIm |
03-31-2020, 08:44 PM | #2 |
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Re: Best way to seal threads on indented firewall gas valve
I use pipe dope. Plain bar soap stops gasoline leaks also.
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03-31-2020, 08:46 PM | #3 |
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Re: Best way to seal threads on indented firewall gas valve
My choice is Indian Shellac! Sold at NAPA.etc
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03-31-2020, 08:50 PM | #4 |
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Re: Best way to seal threads on indented firewall gas valve
Small amount of perma-tex 2 non hardening cleans up with isopopryl alcohol.
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03-31-2020, 09:35 PM | #5 |
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Re: Best way to seal threads on indented firewall gas valve
thanks to all for your responses !!
Jim |
03-31-2020, 09:37 PM | #6 |
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Re: Best way to seal threads on indented firewall gas valve
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04-01-2020, 07:15 AM | #7 |
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Join Date: May 2010
Location: Central FL, USA
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Re: Best way to seal threads on indented firewall gas valve
I must be doing something wrong! I don't use any type of sealant on my late '31 roadster's gas valve or gas lines. And I don't have any leaks.....
Bob-A |
04-01-2020, 02:35 PM | #8 |
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Join Date: Jun 2018
Posts: 10
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Re: Best way to seal threads on indented firewall gas valve
I use a product called fuel lube. It work to seal threaded joints in fuel systems and also lubricate fuel valves and petcocks. It is quite common in the aviation world.
Jim |
04-01-2020, 03:06 PM | #9 |
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Location: Portland OR
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Re: Best way to seal threads on indented firewall gas valve
Permatex thread seal;(not a recommendation where to buy, can be gotten at most parts houses)
https://www.aircraftspruce.com/catal...hoCQ1YQAvD_BwE
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04-01-2020, 03:33 PM | #10 |
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Re: Best way to seal threads on indented firewall gas valve
I just removed a fitting from the bottom of gas tank that I installed 10 years ago with non-hardening Aviation Permatex. The fitting is submerged in auto fuel and alternatively Avgas. The Permatex was still pliable and I never had another leak around the threads.
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04-01-2020, 10:13 PM | #11 |
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Location: Englewood, Colorado
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Re: Best way to seal threads on indented firewall gas valve
Nothing is needed. The ferrule seals against the tapered part in the valve. Same as on the carb. Never used any sealer in 37 years of working on Model A Fords.
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04-03-2020, 12:17 PM | #12 | |
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Re: Best way to seal threads on indented firewall gas valve
Quote:
You are correct, no sealer needed on the tubing ferrules.
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