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1987 offshore sedan

Discussion in 'Offshore Yacht' started by Earl Mastin, May 23, 2018.

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  1. Earl Mastin

    Earl Mastin New Member

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    May 22, 2018
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    Location:
    Coeurdalene,idaho
    I'm in negotiations to purchase a 1987 offshore sedan Boat appears to be in great shape but found out that the fuel tanks are made of black steel. Very difficult to check out any rust problems etc. but does anyone have experience in dealing with this or any other model as far as black iron tanks an how long do thees tanks usually last before replacements needed ? Replacement would seem to be extremely expensive. All comments would be appreciated. Thanks
  2. MBevins

    MBevins Senior Member

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    Windsor On. Canada
    From what I've heard, the main culprit for rusted black iron tanks is from deck leaking down onto the tanks or water migrating under them and theytth not raised off the base so they sit in the water.
  3. Capt Ralph

    Capt Ralph Senior Member

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    30 year old steel tanks. It's a better built boat. Maybe a better installation.
    Are there any inspection hatches or access for hatches to be installed?

    It's a gamble, I've seen many and much older holding up well in varied brands.
    I've seen some failures in 15 year old boats also.
  4. dennismc

    dennismc Senior Member

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    Have the drained and scoped inside for rust, happens a lot with steel tanks, many are ok.
  5. Earl Mastin

    Earl Mastin New Member

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    Location:
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    Thanks. I'm having in expert scope the exterior in the morning. We really love the boat so hoping for the best outcome.
  6. Earl Mastin

    Earl Mastin New Member

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    I am having a fuel expert take a look . Hope for the survey to be positive. Thanks.
  7. Earl Mastin

    Earl Mastin New Member

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    Thanks. Thats encouraging.I guess it's a crapshoot !!!
  8. Earl Mastin

    Earl Mastin New Member

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    Thats what I've been told. Will do a serious inspection.
  9. dennismc

    dennismc Senior Member

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    I would be surprised if a surveyor would pass it without the interior of the tks being checked, it can be done and worthwhile if the boat is worth it, peace of mind when cruising is critical.