Thru hull exhaust
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Thru hull exhaust

  1. #1
    Junior Member Campy88's Avatar
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    Default Thru hull exhaust

    So i have thru hull exhaust and the flanges that are on the outside of the hull are aluminum, if i polish it will it last or will the water dull it back up??

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    ptc
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    alum always needs polishing, stainless-steel a little less, chrome just needs wiped down every time you exit the water.
    1975 Sanger True Flat - 496 BBC
    http://v-drivecalifornia.blogspot.com/

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    If you polish and then clear or color powder coat, that would hold up the best. You could polish and anodize but it won't hold up as long as powder.

    Raw polished aluminum will oxidize and dull quickly and requires frequent polish and wax to stay looking shiny.

    Doug

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  6. #4
    Junior Member Campy88's Avatar
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    Thanks i think i'll just powder coat them and be done

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