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Old 05-31-2017, 08:48 PM
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Hello, I'm trying to get my DR field and brush mower running. The gas tank developed a leak. I was not able to repair it using the long curing JB weld with copper surrounds to keep the JB where I wanted it. Cleaned and roughed up every thing w/my trusty Fordom Tool.

I took an old fuel tank of similar shape off an old motor that had been setting for years. There is rust and sludge inside the old tank. I have a sediment bowl on the tank out put and an inline fuel filter before the carb.

Seems like I shold be able to watch the bowl and filter and be able to use the mower again. They always want an outrageous price for gas tanks. Way over a C note IIRC.
If anyone knows of a cheaper solution I'd love to hear about it.

If I knew more chemistry I probably could have repaired the original tank. Don't know where I went wrong.

Tankless in N.M.

Ron

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Old 05-31-2017, 09:18 PM
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A friend of mine yrs back (mid 80's) had a Honda 4 wheeler that developed a leaks in the gas tank. He used some kind of sealer that lined the complete inside of the tank. I have no idea what he used. He died a few yrs ago. I know he was big into boats so maybe what he used dealt with them.
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Old 06-01-2017, 12:54 AM
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http://www.eastwood.com/ew-gas-tank-...-for-cars.html or they make a stuff like jb weld that is rated for fuel use that can seal up pin holes.
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Old 06-01-2017, 02:14 AM
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show a pix. maybe you can sub in something new, heavy plastic gas can? something from a junk mower from the mower fixit guy.
gotta be something.
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Old 06-01-2017, 03:08 AM
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Yeah, I wonder if you could rig up a "universal" style tank (coolant overflow, oil, etc)
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Old 06-01-2017, 04:10 PM
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Thanks it may have been something like I ordered for a different project. Flex Seal Liquid. Supposed to dry like rubber. But it may be easier to find another used tank. Gonna do a search.... many thanks to you guys for the good suggestions.

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Old 06-01-2017, 04:49 PM
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Good luck to ya. Let us know how you do.
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Old 06-02-2017, 09:06 PM
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Thanks everyone, I have a product ordered called Flex Seal Liquid that might let me use the old tank. I figured a way to coat each of the six surfaces one at a time with this stuff and if it works like they claim I should be good to go. There are a sediment bowl and fuel filter in that order between tank and carb. That will let me know if things went well with the sealing process.

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Old 06-03-2017, 06:20 AM
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Please do not use Flex seal liquid on your gas tank, even the manufacturer doesn't recommend it. The gas will dissolve it.

Por 15 makes a gas tank sealant for $18 per half pint. There are many other proper products, just search "gas tank sealant".

Would hate to have your leak open back up on a hot engine and cause a fire.
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Old 06-03-2017, 10:28 AM
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Hey, JS,sure glad you stopped by. I'll take a look @ Por15 and the other options.

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Old 07-12-2017, 04:56 PM
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POR15, Eastwood sell gas tank sealer. Along with a multitude of others. Also loctite and JB both sell tank repair stuff. X2, do not put flex seal in it.
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Old 07-12-2017, 07:15 PM
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Thank you waynerd, I appreciate your help and everyone else's.

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