Coating gas tank

Have had issues with H
gas tank. Local mechanic has
a radiator shop and can boil it
but he wants to cut a small hole
in bottom and micro blast and
coat. It seems right but I just
hate to see a hole.
Any thoughts?
 
Yeah, but they are REALLY heavy. My shop only boiled mine out, did not cut any holes or blast anything, then I Red-Koted it [O'Reilly's]. Worked perfect. You may have lots more rust, though, and might need blasting. I think it depends on how much rust etc you got in there.
 
You could take tank and strap it to the wheel of a tractor and put some nuts,piece of chain or small stone in it and take tractor out and use it or jack it up and let run for a while this will remove rust scale. I would then have it boiled out and then make sure it is dry and line it with Red Kote according to directions.
 
Why boiling AND blasting? My radiator shop just boils them and then coats the inside. Expen$ive!
 
That's what I would be afraid of. The new coating will never last as well as the original plating did. (or did not in your case) And @ $200 I'd send you TWO clean tanks and pay the UPS.
 
Go with Nebraska Cowman idea. Can still find tanks in that climate with good original interiors. No need for holes or coating and just keep the tank full when sitting around.
Have bought more than one tractor cheep after messed up coating jobs caused lots of problems all the way to the valves. Some with 3 or 4 holes put in the tank and they still didn't get the coating to stay stuck. Not to mention cosmetics of the tank.
Cowman I have a stage 2 SH tank on a tractor now with 4 butchered holes and a messed up coating that I would like to find a tank for if you get one. Not really on it though moving with a nurse tank.
 
Don't go cheap on this one. A less than perfectly clean tank will fail. My M tank sat in the hot bath for a week and was still not clean. My welder friend cut in half at the seam with a cut off saw. Next the sand blaster. Welded it up and you could not tell the difference. And the last thing was the Red Coat. Good to have fiends in the industry.
 
I see no need to put holes in it. About 11 yrs. ago I bought an H that had been sitting out in the weather w/out a gas cap. As part of my efforts to make it a useable tractor, I removed the tank & had it dipped (caustic I believe) & coated (Red-Kote I believe) at a local Rad. shop all for only $40. The H runs like a top (someone had rebuilt it somewhere in its recent life) and has never let me down. I have since purchased a 350 Ute (ser.# 651) and every once in a while it starts to sputter at which point I open the fuel line and drain the rust from the tank. It needs dipped & red-koted!
 

Just clean the sediment bowl, make sure the fine mesh screen is in place and clean, then fill the tank with E10. Run the tractor as you normally would, but clean out the sediment bowl on a dailey basis. Eventually the sediment bowl will need cleaning only on a weekly basis, and after that, it should need to be cleaned only when the tractor is serviced.

That is the exact procedure I used on my 1940 H AFTER removing the tank and doing my best to get all of the rust and other crud out of it. Couldn't get nearly all of it, so I just put it back on the tractor. 15 years later and it has never given me any trouble. That H is the one with the Woods belly mower. It gets used a LOT.
 
I see no need to put holes in it. About 11 yrs. ago I bought an H that had been sitting out in the weather w/out a gas cap. As part of my efforts to make it a useable tractor, I removed the tank & had it dipped (caustic I believe) & coated (Red-Kote I believe) at a local Rad. shop all for only $40. The H runs like a top (someone had rebuilt it somewhere in its recent life) and has never let me down. I have since purchased a 350 Ute (ser.# 651) and every once in a while it starts to sputter at which point I open the fuel line and drain the rust from the tank. It needs dipped & red-koted!
 
(quoted from post at 04:39:18 11/07/14) Have had issues with H
gas tank. Local mechanic has
a radiator shop and can boil it
but he wants to cut a small hole
in bottom and micro blast and
coat. It seems right but I just
hate to see a hole.
Any thoughts?

I see no need to cut a hole in the tank. I have cleaned and derusted several gas tanks by filling with an acid solution. Leave it in there until it has eaten up all the rust and left a clean surface. Then remove and neutralize the acid, rinse and dry thoroughly and then apply the coating. I have done 3 tanks this way, no problems as yet. A good job requires several days to a week.
 

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