Gas tank woes

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ub54
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Gas tank woes

Postby ub54 » Mon Jul 13, 2015 12:34 pm

Just got my second cub home yesterday and today started tearing it down , my first restore effort . The guy I got it from tried to power wash some dirt off it ( tried to do me a favor ) and in the process knocked a tiny hole in the tank . He JB welded it. Well, it made me think the tank must be rotten , but when I tap around on it it seems solid everywhere . Still there is a bunch of crud in it that I can feel with my fingers .2 questions , how dirty is too dirty to try to clean it ? And could the hole he put in it be brazed if I can get it clean enough inside to safely do it ? Inside smells like really old paint but I'd hate to try to hunt down another tank . Thank in advance, Bill

jljmonky
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Re: Gas tank woes

Postby jljmonky » Mon Jul 13, 2015 3:18 pm

Motorcycle places use an etch and seal technique... you would need multiple kits to do it but it uses an acid to etch the tank and then you pour in the sealant and rotate the tank to coat everything, it will coat and fill in small pin holes and you should never have rust problems after that...

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dgrapes59
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Re: Gas tank woes

Postby dgrapes59 » Mon Jul 13, 2015 6:14 pm

If a power washer put a hole in it and you are fishing out a lot of crud, I would be skeptical about putting more money in it. Good tanks are available at reasonable costs, I would put an ad in the Vine and see who can help you. You are in the "Cub Zone" so I would suspect a good one can be had. I don't know what model you have or what your intended use is (restore or worker), I would rather fix the sheet metal on this than a tank issue:
http://cincinnati.craigslist.org/grd/5120152401.html
(The emblems are worth more than his asking price :D )
I am sure it could find it's way to The Tug, would give you an excuse to come. :wink:

Good luck,
David

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Rudi
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Re: Gas tank woes

Postby Rudi » Wed Jul 22, 2015 9:43 pm

Granny's tank was a bit rough .. and again I sent it off to my favourite local gas tank and radiator repair shop that does all my tank and rad work. The bottom of the tank was full of pin holes. They fixed it .. I think it added 50 bucks to the cost of the tank cleaning, lining and priming... I paid 175 for that one I guess... but they also fixed the pin holes on the rest of the hood while they were at it.... Amazing what a mig can do with the right guy on the handle :-)
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