maybe c

Member
Oopps!
I meant to put that last question under implement alley.
I bought a restored IH Super A & when gas leaked out the hole in the top of the gas cap it literally ate the clear coat off in drip marks. Can anyone tell me what produts to use or process?
Thanks for any suggestions.
 
The gas they make today with methanol in it is very hard on paint. It needs to be dried off as quick as possible. Your best bet for occasional spills would be a urethane clear coat.
 
Thanks for replying. Can I just spray the area & over spray onto whats currently there? Im going back to continue tonight & will post pics tomorrow.
 
It would work to spray a urethane over another finish even an alkyd paint however afterwards if there was the tiniest scratch penetrating the urethane the gas would penetrate and wrinkle up the paint underneath. If you don't think you would ever damage the finish you might get away with it. The safest solution would be to take the area exposed to gas down to bare metal, epoxy prime and use a urethane topcoat.
 
It would work to use a urethane clear coat over the finish you have however if there was ever the smallest scratch through the urethane the gas would get through it and lift the finish underneath. The safest long term solution would be to take the area exposed to gas down to bare metal, epoxy prime and use a urethane topcoat.
 
I got "majic" brand tractor & implement oil based spray paint in ih red. How about I remove the existing clear with gas & sand the existing red. Spray it with majic red the use a urathane & overspray the existing clear wherever the spot im treating ends? Im guessing the scratch & lifting you mentioned would be the lifting of any of the existing clear left behind? Pics to follow
 
Pics
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Like I said earlier the urethane clear coat would protect the paint until it was damaged in some way and allow gas to get under it. Even screwing the cap on the gas tank can damage the urethane at the cap. You would have to watch for any lifting and touch it up as soon as possible. An oil based enamel is especially vulnerable to the affects of today's gasoline. If you are going to go to any trouble at all with the gas tank,I would recommend stripping it down to bare metal and use an epoxy primer and a urethane topcoat. There would be no reason for a clear coat then. The urethane would be available in a single stage. This would be a permanent solution for you. Unless gas is allowed to puddle and set for an extended length of time the urethane should hold up to it.

Incidentally, be careful sanding a gas tank. Even the spark inside an electric sander is enough to ignite gasoline.
 
Great, thanks. Do you know of a good epoxy paint? The only kind im familiar with is for garage floors. Also someone mentioned an aluminium color paint. There is something like this on my exhaust that stood up to a mapp gas torch, its also on the wheels and plow. Any idea what this is, is there a popular paint most guys use?
Thanks again, I think im on my way.
 
Not epoxy paint,use epoxy primer. There are many brands, something like this. http://www.oreillyauto.com/site/c/search/Paint+-+Primer+Surfacers+-+Epoxy+Based/N2541/C0171.oap?year=1999&make=Ford&model=Contour&vi=1354373 Be sure to read the instructions. They come with a recoat window which means you have a time limit from the time you apply the primer and when you put the topcoat over the top. If you go past the limit then another coat of epoxy primer should be applied.

As far as the manifold paint, so far I haven't found one that works however I've only needed one once.
 
It worked & I got a new cap coming! thanks for the great info.
im probably killin Stephen with all these questions but I am learning. Is there a chemical stripper to use so I dont have to sand by hand to the metal?
If I use an epoxy primer & urathane clear coat, meant for cars Id guess, I don't need a top coat of red? Is this right?
Im committed to taking care of this thing, I filled & painted the steering wheel last week. Lightly sending it it smelled just like truck brakes, maybe it's asbestos. I am amazed how slow the rust on older tractors is, I saw a new lawn mower left out for 2 months, the rust was scaly & orange already.
 
Most any remover containing methylene chloride will strip the paint off. Kleen Strip makes an Aircraft remover that would probably be the best for metal. It's the one in the blue can.

If the rest of the tractor has a clear coat on it there will likely be a difference in appearance if you just put a single stage paint on part of it. Not every automotive paint will hold up to today's gasoline, it takes urethane to get there.
 
I would not strip it.

Clean good with soap & water, then rub down with lacquer thinner, let dry, sand with 320, then repaint.
 

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