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Hot Rods Fuel tank sloshing compound

Discussion in 'The Hokey Ass Message Board' started by Donald N Wemple Jr., Mar 20, 2026 at 8:18 PM.

  1. Hi, wondering if anybody has had good luck with fuel tank sloshing compound. See where newer fuels compromises the traditional compounds. Would be using it in a steel tank. Any reccomendations?
     
    chryslerfan55 likes this.
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 60,274

    squirrel
    ALLIANCE MEMBER

    not me.

    Either clean and flush as best I can and change the filter a few times until it lasts a while, or I get a new tank.
     
    chicken, RICH B and chryslerfan55 like this.
  3. leon bee
    Joined: Mar 15, 2017
    Posts: 1,449

    leon bee
    Member

    If you just gotta have it; Bill Hirsch.
     
    lothiandon1940 likes this.
  4. RodStRace
    Joined: Dec 7, 2007
    Posts: 9,673

    RodStRace
    Member

    There are two times when they get discussed. When someone wants to seal a tank and when someone has one that wants to fix what's been done.
    I'm in full agreement with @squirrel on this. Unless it's a major pain to replace and has a good visible exterior like a Model A (available) or motorcycle, the sealers are a temporary solution that can create more issues. You can check comparisons from sources that are reliable, but I'd guess that the number of people who have tried many different products long term is extremely small.
     
  5. RICH B
    Joined: Feb 7, 2007
    Posts: 6,122

    RICH B
    ALLIANCE MEMBER

    Tank coatings fail; maybe not every time; but you don't want it in your tank when it does.
     
    Last edited: Mar 20, 2026 at 11:56 PM
  6. clem
    Joined: Dec 20, 2006
    Posts: 4,726

    clem
    Member

    ***uming that you are trying to remove rust, or are you asking about sealers ?
    I used POR with good results, thus far, and used their sealer.
    I did read the instructions and followed them precisely.
    I think KBS coatings is the other one discussed on this forum, with better results.
    Plenty of ways to remove rust discussed here also.
    Did you do a search ?
    Plenty of threads, with plenty of differing opinions.
     
    Last edited: Mar 20, 2026 at 11:49 PM
    jaracer likes this.
  7. O.K. Have a 1920 round fuel tank in good condition. No leaks I believe. Just wanted to make sure the tank was O.K. Used Aviation sealer over 25 years ago on another project. Never had issues but yes everything I see there can be issues. So will leave it alone. Thanks for the replies.
     
  8. clem
    Joined: Dec 20, 2006
    Posts: 4,726

    clem
    Member

    If no leaks, but rusty, I would start by cleaning the rust, which sometimes uncovers the pin holes.
    But once you have cleaned the rust and neutralised the acid from rust killer, if no holes, just use it.
    You can get cameras on the end of a flexi thingy that allows you to see inside the entire tank to check the condition.
     
    RodStRace likes this.

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