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  • boat exhaust manifold

    i have a guy who wants a boat exhaust manifold done in gloss black. according to him the exhaust manifold is water jacketed and does not get very hot. does anybody have any expirence with these? regular powder o.k.? thanks.

  • #2
    Re: boat exhaust manifold

    Dont be fooled my man. A boats manifolds work just the oposite as a radiator. The manifolds are water jacketed, but to heat the water before it goes into the block. Cold lake water + hot engine block = uh oh. Those manifolds do get hot, Im not saying regular powder would not work, I dont know for sure. But I would warn the customer ahead of time and let them make the choice.

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    • #3
      Re: boat exhaust manifold

      Thanks GONGHUAN, i will let him make the choice then.

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      • #4
        Re: boat exhaust manifold

        Regular powder will work fine on water-cooled marine manifolds. If they are functioning correctly, they will never reach a high enough temperature to hurt powder coating.

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        • #5
          Re: boat exhaust manifold

          do you do a lot of boat parts being where you are from tinman? i'm in jackson

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          • #6
            Re: boat exhaust manifold

            I do a fair amount of boat parts, both new and used. One of my biggest customers is a custom yacht builder.

            Leo

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            • #7
              Re: boat exhaust manifold

              thanks for the replies guys! another question: would it be a good idea to put a primer on marine parts first? and if so what would you recommend?

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              • #8
                Re: boat exhaust manifold

                I put an epoxy primer on just about everything that is to be used outdoors. Epoxy with heavy zinc content on all steel items for exterior use. I also phosphate most things that will see exterior use.
                Leo

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