Drip, drip, drip from the carburetor - The 1947 - Present Chevrolet & GMC Truck Message Board Network

71sixgun · 05-04-2013, 08:04 AM

I've got way too many hours in this dang carb! I rebuilt the entire thing and now have a fuel leak from a pin hole in the casting in the fuel filter area. I just need to use this carb to move the truck around the yard for the time while im doing the resto. and then would like to switch to a 2 bbl weber. Is there something I can use to patch this hole for the time being. Is there some type of fuel friendly epoxy or something. If I don't have to weld it, that be be nice, and non explosive!

Tx Firefighter · 05-04-2013, 08:36 AM

There are some two part epoxies on the market that will withstand fuel. Even JB Weld will last for a while in that application if you just need a little something to hold you over until you can swap carbs.
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**Tom Vogel** · 05-04-2013, 08:46 AM

There is a 2 part epoxy gas tank patch that you can get at any parts store Oreily's etc. that will work very nicely for that.
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**TBONE1964** · 05-04-2013, 03:09 PM

There is a product called "Seal-All" made for pin holes in gas tanks(amoung other things). Works very well and it is one part in a tube.

Good luck

*Mister-B* · 05-04-2013, 03:13 PM

Sometimes these leaks appear to come from somewhere, but really they don't. I had a leak today after I changed my fuel filter. Could have sworn it was coming from the larger nut on the main filter housing. Turns out it was the smaller nut on the fuel line. Tightened it down more, and all is well.
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ole dollor · 05-04-2013, 05:13 PM

also check the fuel line and the big nut where the filter goes in the carb , there is a small thin gasket on the big nut that seals the nut to the carb...its real small and almost clear in color....hard to see , but it has to be there on Q-jets.

71sixgun · 05-04-2013, 07:16 PM

I found at Carquest the gas tank repair putty stick idea. I can see its a 2 part deal that you have to kneed together and apply. I will put it on tomorrow and see if I can get it to stop. I've had the fuel filter nut off and the line off checking, cleaning and scotch briting with no luck. And then put my finger against a spot below the filter area, while it was idling, and the leak stopped. I'll tackle it tomorrow and hopefully be able to drive it around the driveway a bit before the day is out!! Thanks guys!!

05-04-2013, 08:04 AM	#1
71sixgun Registered User Join Date: Mar 2013 Location: Clifton, Maine Posts: 86	Drip, drip, drip from the carburetor I've got way too many hours in this dang carb! I rebuilt the entire thing and now have a fuel leak from a pin hole in the casting in the fuel filter area. I just need to use this carb to move the truck around the yard for the time while im doing the resto. and then would like to switch to a 2 bbl weber. Is there something I can use to patch this hole for the time being. Is there some type of fuel friendly epoxy or something. If I don't have to weld it, that be be nice, and non explosive!

05-04-2013, 08:36 AM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Drip, drip, drip from the carburetor There are some two part epoxies on the market that will withstand fuel. Even JB Weld will last for a while in that application if you just need a little something to hold you over until you can swap carbs. Posted via Mobile Device

05-04-2013, 08:46 AM	#3
Tom Vogel 2WD Jimmy Join Date: Mar 2005 Location: Davis County, Utah Posts: 2,563	Re: Drip, drip, drip from the carburetor There is a 2 part epoxy gas tank patch that you can get at any parts store Oreily's etc. that will work very nicely for that. Posted via Mobile Device

05-04-2013, 03:09 PM	#4
TBONE1964 Cluster King Join Date: Nov 2012 Location: Junction City, OR Posts: 5,263	Re: Drip, drip, drip from the carburetor There is a product called "Seal-All" made for pin holes in gas tanks(amoung other things). Works very well and it is one part in a tube. Good luck

05-04-2013, 03:13 PM	#5
Mister-B Account Suspended Join Date: Oct 2012 Location: Salt Lake City, Utah Posts: 3,331	Re: Drip, drip, drip from the carburetor Sometimes these leaks appear to come from somewhere, but really they don't. I had a leak today after I changed my fuel filter. Could have sworn it was coming from the larger nut on the main filter housing. Turns out it was the smaller nut on the fuel line. Tightened it down more, and all is well. Posted via Mobile Device

05-04-2013, 05:13 PM	#6
ole dollor Registered User Join Date: May 2012 Location: Anton, Texas Posts: 2,364	Re: Drip, drip, drip from the carburetor also check the fuel line and the big nut where the filter goes in the carb , there is a small thin gasket on the big nut that seals the nut to the carb...its real small and almost clear in color....hard to see , but it has to be there on Q-jets.

05-04-2013, 07:16 PM	#7
71sixgun Registered User Join Date: Mar 2013 Location: Clifton, Maine Posts: 86	Re: Drip, drip, drip from the carburetor I found at Carquest the gas tank repair putty stick idea. I can see its a 2 part deal that you have to kneed together and apply. I will put it on tomorrow and see if I can get it to stop. I've had the fuel filter nut off and the line off checking, cleaning and scotch briting with no luck. And then put my finger against a spot below the filter area, while it was idling, and the leak stopped. I'll tackle it tomorrow and hopefully be able to drive it around the driveway a bit before the day is out!! Thanks guys!!



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