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06-20-2020, 03:42 PM | #1 |
Senior Member
Join Date: Feb 2017
Location: Dothan, AL
Posts: 325
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Fuel tank sealer
My 42 GPW fuel tank has started leaking around the seam. I used a kit back in 2008 to etch the tank and then seal. It has held up till now, but the ethanol has dissolved the sealer. I don't remember what kit I used back then. I'm looking at the KBS kit. any feedback would be appreciated or another suggestion to fixing the leak.
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06-20-2020, 03:53 PM | #2 |
Senior Member
Join Date: May 2012
Location: u-rah-rah-Wisconsin
Posts: 1,136
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Re: Fuel tank sealer
The POR kit I used 8 years ago has held up. I had reason to look inside the tank recently and everything still is in great shape.
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06-20-2020, 06:16 PM | #3 |
Senior Member
Join Date: Nov 2011
Location: NW Arkansas
Posts: 524
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Re: Fuel tank sealer
Used the POR 25 years ago. Still going strong. Ethanol hasn't bothered it.
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06-21-2020, 08:43 AM | #4 |
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Join Date: May 2010
Location: Solihull, England.
Posts: 8,745
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Re: Fuel tank sealer
If the sealer has deteriorated you will probably have more trouble with bits of sealer detaching.
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06-21-2020, 11:18 AM | #5 |
Senior Member
Join Date: Feb 2017
Location: Dothan, AL
Posts: 325
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Re: Fuel tank sealer
Mart, that is what I'm afraid of not getting all the old sealer out of the tank and it start turning loose.
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06-21-2020, 03:00 PM | #6 |
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Join Date: May 2010
Location: Napa,California
Posts: 6,029
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Re: Fuel tank sealer
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06-21-2020, 03:43 PM | #7 |
Senior Member
Join Date: Feb 2017
Location: Dothan, AL
Posts: 325
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Re: Fuel tank sealer
I can get new reproduction tanks no problem, but they are not 100% exact duplicate of original. A new reproduction tank is very easy to spot as soon as you raise the seat cushion. I may have to go that route.
What do you think about me pouring MEK into the tank and let sit for several days? I was thinking of doing this and ordering a kit from Bill H. I really like the engine paint I got from him along with the paint for the frame. |
08-05-2020, 02:34 PM | #8 |
Senior Member
Join Date: Feb 2017
Location: Dothan, AL
Posts: 325
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Re: Fuel tank sealer
Update:
I tried a new product to me Caswell Tank Sealer, and I'm very pleased with the results. Before the tank sealer arrived I put 2 gallons of vinegar in the tank for 48 hours, and then a gallon of paint & epoxy remover and let set for48 hours. It removed some of the old sealer, but not as much as I wanted. Put the tank on the tractor and put a handful of nuts and dry wall screws in while I mowed. This did more than anything else. If I had of just waited on the sealer to arrive I did not need to do any of the above it goes right over rust and old tank sealer. I would definitely use this product again, but time will be the real test. |
08-05-2020, 04:19 PM | #9 |
Senior Member
Join Date: May 2010
Location: upstate SC
Posts: 2,963
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Re: Fuel tank sealer
I sandblast the inside of harley/davidson tanks all the time, then we use por 15 kit to redo, have never had any problem. I also do this with all my restoration tanks-probably 20 tanks so far and again never had a problem
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