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Gas tank repair #3055594
07/03/22 04:39 PM
07/03/22 04:39 PM
Joined: Jan 2003
Posts: 4,800
Virginia
BSharp Offline OP
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BSharp  Offline OP
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Virginia
Back in about 1981, I accidentally poked a hold in my gas tank, and I gave it a quick fix with a sheet-metal screw, a rubber washer, and some kind of sealant. Was going to be temporary, but it held up so I left it alone. Now the tank is out of the car for cleaning. Should I put a screw back in with JB Weld or something like it, or weld it? I have a MIG, but I don't want this tank to be the last thing I ever see. The interior looks excellent; no reason to consider replacement. What's the best fix?

tank screw.JPG
Re: Gas tank repair [Re: BSharp] #3055595
07/03/22 04:48 PM
07/03/22 04:48 PM
Joined: May 2012
Posts: 1,601
South Bend
John Brown Online content
top fuel
John Brown  Online Content
top fuel

Joined: May 2012
Posts: 1,601
South Bend
Might want to consider using a pop rivet. There are some that don't have an open center hole for liquid to leak out of. I used one years ago to seal a tiny pinhole in a station wagon tank I didn't want to remove. Used the pop rivet and covered it over with JB Weld. Was still holding several years later when I sold the car.


July 19th should be "Drive Like Rockford Day". R.I.P. Jimmie.
Re: Gas tank repair [Re: BSharp] #3055604
07/03/22 05:03 PM
07/03/22 05:03 PM
Joined: Jan 2003
Posts: 5,773
Corpus Christi, TX
shanker Offline
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shanker  Offline
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Corpus Christi, TX
weld--er-up...

to do it safely, fill the tank with water first to displace the fuel vapor


The Federal Government has not yet learned that you cannot legislate morality 1970 Coronet R/T FF4/FF8/V85/V1G 440/Auto/3.23 1970 Coronet R/T FK5/FK5/V8W/V1W 440/Auto/3.55 1970 Super Bee TX9/TX9/V8W/N96 383/Auto/3.91 1975 Duster 360 VS29L5 Daily Driver
Re: Gas tank repair [Re: shanker] #3055628
07/03/22 07:06 PM
07/03/22 07:06 PM
Joined: Jun 2006
Posts: 442
Central NY
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GarageDodge Offline
mopar
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Central NY
solder a piece of copper over the hole,has worked many times.

Re: Gas tank repair [Re: GarageDodge] #3055635
07/03/22 07:47 PM
07/03/22 07:47 PM
Joined: Jan 2003
Posts: 20,333
Niles , Ohio
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therocks Offline
Its Lost
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Niles , Ohio
My kid had his buicl stolen years ago They punched a hole in the tank to get gas/I used a screw after it was dry and clean.Then JB weld a piece of sheet metal and more JB.He drove it for 4 years sold it and it was here for like 3 or 4 more.Oh yeah my buddy welded tank just started his tow motor filled the with exhaust and welded away.Another firiend years ago tried to make sure no vapors were in the tank after water was in.Boom went probally 30 feet up.years later his arm still hurt from getting smacked with it


Chrysler Firepower
Re: Gas tank repair [Re: therocks] #3055639
07/03/22 07:58 PM
07/03/22 07:58 PM
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Posts: 6,914
fredericksburg,va
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cudaman1969 Offline
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fredericksburg,va
Ok, how is a plastic tank repaired?

Re: Gas tank repair [Re: cudaman1969] #3055640
07/03/22 08:06 PM
07/03/22 08:06 PM
Joined: May 2008
Posts: 167
Las Vegas, NV
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chargerbr549 Offline
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Las Vegas, NV
I have used this repair kit many of times and its always worked for me.

https://www.jbweld.com/product/j-b-weld-tankweld

Re: Gas tank repair [Re: BSharp] #3055657
07/03/22 08:54 PM
07/03/22 08:54 PM
Joined: Feb 2012
Posts: 4,399
Morristown Tn.
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71birdJ68 Offline
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Morristown Tn.
Go on Aircraft Spruce and Specialities web site and look for fuel tank sealer that we use in airplanes. I might be called B1/2 it's a two part that you mix. Put the screw, or a rivet back in then use the sealer over it. Must be very clean.

Re: Gas tank repair [Re: GarageDodge] #3055667
07/03/22 09:21 PM
07/03/22 09:21 PM
Joined: May 2006
Posts: 1,359
Phila
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PhillyRag Offline
pro stock
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Phila
Originally Posted by GarageDodge
solder a piece of copper over the hole,has worked many times.


Solder works great, but need to remove any galvanizing around hole first. Flux core solder if really clean, otherwise some acid core.







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