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New fuel tank install question?

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  • New fuel tank install question?

    So I ordered a new aluminum fuel tank for my mako 201. I plan to coal tar epoxy it when it arrives. My question is what is everyone doing to secure this tank in the coffin? I find it hard to believe that 8 screws is all that's going to hold 60 gallons of fuel from making the tank slide around in rough seas!

    I know the simple use of the word FOAM on this site makes people quiver so what's holding in your new tanks??????

  • #2
    You said it... FOAM []

    Those mounting screws simply hold the tank in place for the foam pour. There are a few that deviate and it has been debated often, however I believe the majority here have all foamed their tanks in.
    \'93 241
    \'82 224 - Mobile, AL Gone but NEVER Forgotten -


    • #3
      foam here too. Though my tank wedged in quite tightly there was not a ton of space for foam.
      1990 Mako 230[br]1999 Mercury 225 EFI[br]2004 Lund Alaskan 1600[br]2005 Mercury Bigfoot 25[br]Wrentham MA[br]


      • #4
        I put down some silicon lines in a few spots and let it dry. Right before the install I went over those areas with a bunch of 5200. Gives it a little cushion and bonds the tank. Then I did a foam pour. I only have 24gals to deal with but I didn't use any screws.

        That was over 7 years ago. Pulling the tank this winter when I do some deck/console mods. See how it did.