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JB Weld

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Offline Anthony

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JB Weld
on: May 31, 2009, 01:23:45 AM
I've heard about this stuff but have never used it.  The gas tank on my old lawnmower has cracked and I'd like to seal it up with something...would this JB weld stuff work for that?

I assume the crack came from 20 years of vibrations since it formed around the nut that holds the gas tank to the engine...
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us Offline Gadget Guy

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Re: JB Weld
Reply #1 on: May 31, 2009, 01:27:04 AM
Quote from: Corrugated on May 31, 2009, 01:23:45 AM
I've heard about this stuff but have never used it.  The gas tank on my old lawnmower has cracked and I'd like to seal it up with something...would this JB weld stuff work for that?

I assume the crack came from 20 years of vibrations since it formed around the nut that holds the gas tank to the engine...

It is great stuff, but I don't know if I would trust it for a gas tank.  :think:
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scotland Offline Sea Monster

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Re: JB Weld
Reply #2 on: May 31, 2009, 01:30:57 AM
If it's worth fixing, I'd have the tank purged & welded properly.

I don't know anything about JB weld specifically, but I do know that the easy way out never works.

Offline american lockpicker

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Re: JB Weld
Reply #3 on: May 31, 2009, 02:11:07 AM
I once fixed a Mac-11 with JB weld.
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us Offline Poncho65

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Re: JB Weld
Reply #4 on: May 31, 2009, 04:56:13 AM
JB Weld is great stuff but I don't know how it would fair on a gas tank :think: I agree with Nomad this time (believe it or not) :o :D
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um Offline Mr. Whippy

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Re: JB Weld
Reply #5 on: May 31, 2009, 05:12:13 AM
JB Weld is awesome.  Best part about it is, if it doesn't work, it'll chip off again.  I would definitely give it a try before sending it off to the welder. (Metal tank? or Plastic?).  I've sealed leaking radiator lines and oil return lines with it.  Fixed a power brake master cylinder cover crack with it too.

I say give it a go.  :tu:

us Offline Pacu

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Re: JB Weld
Reply #6 on: May 31, 2009, 06:01:13 AM
in texas ive seen entire cars made out of jb weld :o
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Offline Anthony

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Re: JB Weld
Reply #7 on: May 31, 2009, 05:20:11 PM
Quote from: Mr. Whippy on May 31, 2009, 05:12:13 AM
JB Weld is awesome.  Best part about it is, if it doesn't work, it'll chip off again.  I would definitely give it a try before sending it off to the welder. (Metal tank? or Plastic?).  I've sealed leaking radiator lines and oil return lines with it.  Fixed a power brake master cylinder cover crack with it too.

I say give it a go.  :tu:

It's a metal tank with a hairline crack.  I assumed I could buy a replacement tank online for a reasonable price...but I can't even find one!  It's an old Briggs and Stratton mower, and the oldest parts I can find are from 1994, while the mower I have is a few years older than that.  Sending it off to a welder isn't cost effective IMO...not for this old thing.

The good part is I get to work with this JB Weld stuff and know how it works..and if the fuel still leaks, I'll just get rid of the mower like I had originally planned! :D
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us Offline Poncho65

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Re: JB Weld
Reply #8 on: June 01, 2009, 04:44:10 AM
Quote from: Corrugated on May 31, 2009, 05:20:11 PM
Quote from: Mr. Whippy on May 31, 2009, 05:12:13 AM
JB Weld is awesome.  Best part about it is, if it doesn't work, it'll chip off again.  I would definitely give it a try before sending it off to the welder. (Metal tank? or Plastic?).  I've sealed leaking radiator lines and oil return lines with it.  Fixed a power brake master cylinder cover crack with it too.

I say give it a go.  :tu:

It's a metal tank with a hairline crack.  I assumed I could buy a replacement tank online for a reasonable price...but I can't even find one!  It's an old Briggs and Stratton mower, and the oldest parts I can find are from 1994, while the mower I have is a few years older than that.  Sending it off to a welder isn't cost effective IMO...not for this old thing.

The good part is I get to work with this JB Weld stuff and know how it works..and if the fuel still leaks, I'll just get rid of the mower like I had originally planned! :D

Well I for 1 hope it does work :tu: Cracks are usually easier to fix on things than complete breaks so maybe you will have good luck with the JB Weld :cheers:
Merit Badges Post your pocket dump photos then challenge two more members who must post their pocket dump photos within 24hrs for you to get the badge. Must update or add a page on the Multitool.org Multitool Encyclopedia Carry an orange item and post a picture of it everyday for 30 days. Start a thread with a photo of at least ten OPT's in your collection Participate in a challenge by carrying  a Leatherman Pulse or ST200 and post a photo of it  for thirty (30) consecutive days. Start a new thread and post a photo of the Leatherman MiniTool for thirty (30) consecutive days. In this challenge,  carry one(1) Pliers-based or Non-pliers multitool that we always have prejudice against, hate or even fear and post a picture everyday for 30 days Using EDC items randomly selected with a poker hand, post a photo of your EDC or a component of the EDC that got used during the course of the day for 4 weeks (or 30 consecutive days) In the spirit of the Batman utility belt. A 30 day challenge were you have to have at least 2 things clipped to your belt (preferably more). Start a thread and post a picture of your clipped gear each day for 30 days. Participate  in a Challenge thread and post a photo of a Leatherman Skeletool for thirty (30) consecutive days. Only for the 14th year Anniversary Challenge. Post a photo of any gear for thirty (30) consecutive days during the MTo anniversary month. You have one of your pictures in the 2020 calendar or in top three of the calendar poll in any month of the given year. Participate  in a Challenge thread and post a photo of a LM Pocket Survival Tool for thirty (30) consecutive days. Start a new thread and post a photo of the multitool for thirty (30) consecutive days. Start a new thread and post a photo of the LM Crunch  Multitool for fifteen (15) consecutive days. Start a new thread and post a photo of the keychain for thirty (30) consecutive days. Start a new thread and post a photo of the multitool for thirty (30) consecutive days. You have one of your pictures in the 2017 calendar or in top three of the calendar poll in any month of the given year. You have one of your pictures in the 2018 calendar or in top three of the calendar poll in any month of the given year. You have one of your pictures in the 2019 calendar or in top three of the calendar poll in any month of the given year. Start a new thread and post a photo of the multitool for thirty (30) consecutive days.

us Offline Crouton

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Re: JB Weld
Reply #9 on: June 01, 2009, 04:54:03 AM
I have used JB Weld for similar repairs and it tends to work much more often than it doesn't
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us Offline Mike

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Re: JB Weld
Reply #10 on: June 01, 2009, 07:06:51 PM
JB Weld would probably work, just sand and thoroughly clean the area around the crack to insure a good bond. According to JB Weld, you would want to use their Water Weld product for gas tanks.
http://jbweld.net/products/water.php

You might also want to look at a gas tank repair kit, like this:
http://www.permatex.com/products/Automotive/specialized_maintenance_repair/radiator_fuel_tank_repair/Permatex_Instant_Gas_Tank_Repair.htm

Mike

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00 Offline RaptorMan

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Re: JB Weld
Reply #11 on: June 02, 2009, 03:35:07 AM
Used the stuff on my old '78 full size chevy fuel tank while i saved for a new one. Held up for at least a year before i finally got around to replacing it. Just prep it well and you should have no problems. This truck played in a lot of mud and sand and dint have a problem.
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