Gas tank cleaning

Discussion in 'Powerboats' started by isby, Aug 17, 2006.

  1. isby
    Joined: Jul 2006
    Posts: 9
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    Location: toledo ,ohio

    isby Junior Member

    What is the best way to clean the gas tank of a boat that has been setting for about 10yr?
  2. bretticus
    Joined: Aug 2006
    Posts: 3
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    Location: southern california, usa

    bretticus New Member

    If the fuel tanks are cast iron or steel, first you will have to make sure of the integrity of the tanks for rust and deterioration before you do any work to them.
    If the tanks are not easily removable (most arent) then they have companies that do what is called "fuel polishing" to provide such a service. If they are easily removed then you can empty them, flush them out with a quality solvent, let them dry, and reinstall them.
  3. Ike
    Joined: Apr 2006
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    Location: Washington

    Ike Senior Member

    Then pressure test the tank at three PSI to make sure it doesn'y have any pin holes. Once you hook the tank back up pressure test the fuel system as well.
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