I need to get lots of scale out of my Dads Farmall H carb and I have it completly tore done. do you recomend sand blasting to get the inside and outside cleaned out? Or do you think I would not get all the sand out of it?
what do you guys think?
Chad
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anyone ever sand blast a carb?
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I bought a carb on Ebay for my B Farmall that had been sandblasted. Of course, the carb body is cast iron. It took a couple of good cleanings and some compressed air to get it clean. Hope there is no sand left in it...could be trouble.
For the cub carb, I would recommend a good soaking (2-3 weeks) in a gallon of CHEM-DIP. You should be able to find it at any good auto part store. Follow-up with a good rinsing with carb cleaner and dry/blow-out with compressed air.
For the cub carb, I would recommend a good soaking (2-3 weeks) in a gallon of CHEM-DIP. You should be able to find it at any good auto part store. Follow-up with a good rinsing with carb cleaner and dry/blow-out with compressed air.
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Chad,
Be very careful if you choose to blast the carb. Small air/fuel passages can get clogged with whatever medium you're using.
I have used a 4:1 mixture of muriatic acid and water to soak the carb. It doesn't take long and with a brass wire brush it cleans up very nicely. Undiluted vinegar works also but takes much longer.
If you use this method be sure to rinse rinse rinse Oh and rinse again
Be very careful if you choose to blast the carb. Small air/fuel passages can get clogged with whatever medium you're using.
I have used a 4:1 mixture of muriatic acid and water to soak the carb. It doesn't take long and with a brass wire brush it cleans up very nicely. Undiluted vinegar works also but takes much longer.
If you use this method be sure to rinse rinse rinse Oh and rinse again
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Sand blasting
I have sandblasted 2 Ford N carbs and the carb for #2 cub with no problems. I completely dissasemble them, Soak them in carb cleaner to get what crud off I can. Blow them out. Then I seal up all holes with dowels. I have used round tooth picks and up to 3/8 dowel. Then I sandblast them.
Then blow them out good again and wash with hot water and soap.
What I would like to try is hot coat one. But I don't know if the pot metal they are made from can take heat of 350 to 400 degrees. Im afraid it might want to warp. If I had a scrapper I would try it.
Then blow them out good again and wash with hot water and soap.
What I would like to try is hot coat one. But I don't know if the pot metal they are made from can take heat of 350 to 400 degrees. Im afraid it might want to warp. If I had a scrapper I would try it.
Dave <*)))><
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