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  1. May 9th, 2005, 02:40 PM #1
    jeff13601
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    Default What size freeze plug-1985 120 horse mercruiser

    Does anyone have a book that would show the diameter of the upper freeze plug in the flywheel end of the block?
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  2. May 9th, 2005, 05:08 PM #2
    Bond-o
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    Default Re: What size freeze plug-1985 120 horse mercruiser

    Isn't the original laying in the flywheel cover,.. or bilge..???How about a Dial Caliper ???
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