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Old Jul 17, 2011 | 05:08 PM
  #1  
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Tank sealer

Im planning to build my own gas tank for my truck (custom size). My father was telling me of a product that he purchased from an impliment dealer that he used in the tractor gas tanks to eliminate rusting. I would like to use the same thing in my gas tank but for the life of him, he couldnt remember what it was called. Is anyone familiar with a product that will line the inside of a gas tank and keep it from rusting? According to my father he would pour this product in and slowly roll the gas tank around until it covered the entire inside of the tank, then it would set up after a day or so and make an inpregnable surface that gas or water couldnt penetrate and protecting the steel. He even went on to say that it would close small holes and pinhole cracks.
 
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Old Jul 17, 2011 | 06:38 PM
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Eastwood sells a two-part kit (cleaner then sealer) for OEM tanks. Btw, Have you considered building the fuel tank out of stainless steel?

Just a tip: Calculate the fuel tank's volume in cubic inches and then divide by 231 to determine its capacity in gallons.
 
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Old Jul 17, 2011 | 08:45 PM
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Unless you find a sealer that will work with the ethanol that is in the fuel today, it's just going to turn into a big mess clogging up your fuel system.
 
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Old Jul 17, 2011 | 09:49 PM
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Originally Posted by HIO Silver
Eastwood sells a two-part kit (cleaner then sealer) for OEM tanks. Btw, Have you considered building the fuel tank out of stainless steel?

Just a tip: Calculate the fuel tank's volume in cubic inches and then divide by 231 to determine its capacity in gallons.
I would love to build it out of stainless but that would cost too much for my budget. Even aluminum would be nice but....
I thought about going with a bladder but they tend to fail regularly and prematurly plus i cant find one that will contour to the tank I want.
 
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Old Jul 17, 2011 | 09:52 PM
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Originally Posted by mark a.
Unless you find a sealer that will work with the ethanol that is in the fuel today, it's just going to turn into a big mess clogging up your fuel system.
I will have to keep that in mind. Does the eastwood sealer work with ethanol? I will see if I can find the product.
 
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Old Jul 17, 2011 | 10:19 PM
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Not sure, but I'd be sure before using any of it. A friend of mine used it in his tank a while back and it all turned to gunk and plugged up the filter, ruined the tank.
 
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Old Jul 17, 2011 | 10:52 PM
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Tank sealer = bad ju ju. I've seen motorcycle tanks personally and ones I've owned with tank sealer. It turns into soft silly putty after awhile. Trying to pick it out of a fuel petcock is no fun. I can't imagine what it would do to a fuel pump.
 
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Old Jul 17, 2011 | 11:58 PM
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WOW, Maybe I need more education on these sealers?
Thanks for the thoughts, hope we dont gunk up our tractors now. I know dads been using it in all our old tractors.
 
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Old Jul 18, 2011 | 06:57 AM
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Or, take it to a radiator shop and have them seal it. They do fuel tanks.
 
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Old Jul 18, 2011 | 09:17 AM
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Originally Posted by gfw1985
Or, take it to a radiator shop and have them seal it. They do fuel tanks.
Much better option the over the counter stuff is crap as far as I'm concerned. I've had no problems with a good ol steel tank driven regularly, and topped off often. When you let them sit is when you start having issues. Especially when you get gas with alot of water in it. If you can possibly get fuel where they are always busy so there is a good turn around of fuel.
 
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Old Jul 18, 2011 | 09:28 AM
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Originally Posted by gfw1985
Or, take it to a radiator shop and have them seal it. They do fuel tanks.
X3

I had a radiator shop do mine when I was having them braze up a hole in it. I have heard that the cheapo kits turn to a cottage cheese-like sludge.

Sorta like bedliners I guess; a professional job with professional materials = a long trouble-free service life. Wal-Mart DIY kits = long, troublesome paint stripping later.
 
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Old Jul 18, 2011 | 11:29 AM
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I lined my bronco tank with the Por-15 stuff. It worked great for 3 years then it all flaked off and clogged the fuel line so bad that I couldn't blow air through it. Worst part is it took me 2 fuel pumps and a carb to realize what was going wrong. Don't know much about the Eastwood stuff but stay away from the Por-15 tank liner for sure.
 
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Old Jul 18, 2011 | 01:21 PM
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I don't like the tank sealer stuff, but when I have to use it I always use a product called
"RED KOTE". Never had any problems with it and it's so easy to use, clean your tank and pour it in. It does require patience, it takes at least 48 hours dry time for best results. Go to google and red kote.
 
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Old Jul 18, 2011 | 02:58 PM
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Originally Posted by k-member
I don't like the tank sealer stuff, but when I have to use it I always use a product called
"RED KOTE". Never had any problems with it and it's so easy to use, clean your tank and pour it in. It does require patience, it takes at least 48 hours dry time for best results. Go to google and red kote.
Looks like what I may be looking for. Some documented tanks are still in service since they were treated in 1984. For a 1oo galon tank I will likely need a gallon? More?
 
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Old Jul 19, 2011 | 03:37 AM
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I would think a gallon would be good, maybe check out the manufactures suggestions. 3 years ago I had a 63 Fairlane that I did and it was the stock 20? gallon tank and I used a quart and had a little left over and just did my Kawasaki tank (5 gallon) last week and used it up. I have had very good results.
 
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