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Ford 9N, 2N & 8N Discussion Forum
Order Ford 8N Parts Online

8N fuel bowl gasket

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Left Coast Geek

06-07-2020 22:32:01




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i cleaned the fuel bowl on this 8n, and the gasket just disintegrated. is california gasahol hazardous to the seals on these old things? i think our gas is 5 or 10% ethanol now, no exceptions. the fuelvalve was leakng too, so I ordered a whole new fuel bowl assembly from this site...

any substitute i can use for that gasket in the meantime?




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TheOldHokie

06-14-2020 14:46:14




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
Quoting Removed, click Modern View to see

It doesn't matter what you are using - if you get it in the system it becomes a contaminant. The Permatex Aviation is insoluble and will form little gummy balls floating around if it gets in the system.

I much prefer PTFE tape to the aviation sesler and it works fine - just make sure you keep ithe wrap at least one thread back from the end of the pipe fitting. Just this morning I ran put of tape and had to make up some hydraulic fittings using the aviation sealer - always makes a mess because you cant avoid getting it on your hands when you handle the assembly. I think the chances of getting it in the system is significantly higher than the nice clean tape.

TOH

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Left Coast Geek

06-14-2020 13:44:52




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
I got the fuel bowl assembly from the store at this site... I note it has a black rubber gasket, the screen is intact, and the hang card said "Made in China", and it appears to be signficantly better quality than the made-in-pakistan/turkey/etc crud I was getting 5 or so years ago last time I was messing with this tractor.

re: teflon tape, I've been told in the past to avoid that in fuel systems as bits of the tape can get into the system and clog up carbs or whatever. had several recommendations to use Permaex Aviation Form-A-Gasket #3 on the threads, which is fuel safe including ethanol laced gasoline, and non-hardening.

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Trying2Mow

06-12-2020 07:38:17




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
You are better off on Ebay buying the whole bowl-valve assembly already put together and just screw it in bottom of tank with Teflon tape and be done with it. You have to let the cork swell up and seal and other sealants either wash away or affect the carb.



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HFJ

06-08-2020 11:46:57




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
yes, teflon tape or paste is a good idea. i just replaced this assembly on my A-C WD, and used teflon paste on those threads.



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Left Coast Geek

06-08-2020 10:05:18




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
FWIW, my old gasket was in little hard crumbles, it appeared to be red rubber, but it was so crumbled it was hard to tell.

so if I do replace the whole bowl, do I need any sort of sealant on the threads into the gas tank? teflon tape or whatever?



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Dean

06-08-2020 06:36:09




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
As HCooke advises, use a cork gasket. 100% cork, not the composites.

Dean



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Bob - MI

06-08-2020 06:21:54




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
Napa has that gasket.



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lha

06-08-2020 19:31:20




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 Re: 8N fuel bowl gasket in reply to Bob - MI, 06-08-2020 06:21:54  
I just got the gasket at Napa,part#730-9506 and it was rubber and thin.



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HCooke

06-08-2020 05:38:28




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
I prefer the cork gasket. No material will last forever. And I have not had problems with new repacement fuel bowl assemblies.



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JWA

06-08-2020 05:03:40




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
You will be better off to repair your original sediment bowl/shut-off valve. Most of the aftermarket replacements don't seem to hold up well. The cork gaskets are available and cheap from this very site.



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wore out

06-07-2020 23:51:02




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 Re: 8N fuel bowl gasket in reply to Left Coast Geek, 06-07-2020 22:32:01  
Some guys just use an O-ring. Depending upon the style of sediment bowl screen (if present) the O-ring may or may not seal that up to keep dirt and debris from bypassing the screen.

I can't tell you the size, offhand, but you should be able to find one at a hardware or home improvement store that fits.

Be aware that some O-rings are much more resistant to "gasoline" than others, so keep an eye on it for leaks.

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