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Engine block I.D. pictures
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11-21-2016, 08:22 PM
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flatjack9
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Join Date: May 2010
Location: Oshkosh, Wi
Posts: 4,527
Re: Engine block I.D. pictures
The round water hole in the center denotes it as a Mercury block - 3 3/16 bore x 3 3/4 stoke.
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