What material will seal this fuel leak? - Team Camaro Tech
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post #1 of 5 (permalink) Old Jan 6th, 01, 06:01 AM Thread Starter
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Join Date: Mar 1999
Location: College Park, MD USA
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Question

My Q-Jet on my LG4 was stripped at the fuel inlet nut, so I installed a self-tapping nut. Only problem is that the original nut was designed to seal internally and the new nut has an external gasket. This gasket will NOT seal against the thin outside edge of the fuel inlet. I tried a Buna N70 O-Ring along with the gasket...that held for a little while and then started leaking again.

My question is...what material is suitable for sealing this? I was told I could use RTV Hi-Temp silicone, but it says on the back of the package that it's not for use with gasoline-immersed parts. I could just use some epoxy but I don't want to make this permanent if not absolutely necessary. Right now I'm using some Gasoila thread sealer to make the seal...it says it's insoluble in gasoline, but I don't know how it'll work. If anyone has any suggestions of a type of gasket or gasket-forming substance that'll resist constant gasoline immersion, if you could tell me where to find it, I'd greatly appreciate it.

Mark
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post #2 of 5 (permalink) Old Jan 6th, 01, 07:53 PM
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Mark
I used Loctite Gas Tank Sealer on my Nova and the stuff works. It's the same consistency as J-B Weld, so you could easily use it for sealing a fitting. It stays flexible, so I imagine you could remove it when necessary.
Hope this helps- Pete

[This message has been edited by pete b (edited 01-06-2001).]
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post #3 of 5 (permalink) Old Jan 7th, 01, 02:29 AM
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Eric
 
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You may not like my suggestion here, but thought I would try to help save you from a potential disaster. I would suggest replacing the stripped part - the carb body, fitting or whatever. Don't ever take a chance with a fuel leak to save a few bucks. I had one go up in flames once, and was lucky enough to put out a potentially huge fire with only rag. If you opt for a repair just make sure you're confident it's a good one and will last for the long haul. Good luck.
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post #4 of 5 (permalink) Old Jan 7th, 01, 10:13 AM
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Join Date: Dec 1999
Location: Winston Salem, NC
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I agree with Eric68. Don't take the chance of a potential fire over saving money. My 67 went up in flames after I had a similar problem with an Edelbrock Performer carb. One neighbor's fire extinguisher and a $3000 repair bill later (which luckily was covered under my $200 comprehensive deductible), the extensive engine compartment, front suspension, and paint damage was repaired. DON'T TAKE THE CHANCE!!



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post #5 of 5 (permalink) Old Jan 7th, 01, 04:11 PM
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Join Date: Nov 1998
Location: ohio
Posts: 252
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There is a part made to fix this. Has a rubber type ring with a nut around the fuel inlet tube. You put the insert in the inlet and tighten the nut and it swells the rubber and seals it up. Check with local parts stores.
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