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Graymarine M109

J

Jim Dutlinger

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" I am preparing to rebuild my

" I am preparing to rebuild my 6 cyl Gray that has been run on the same lake for 50+ years in water that is very hard on metal. What am I likely to find when we open this up, and what is the best way to flush rust out of the cooling channels, and exhaust manifold.

Thanks for your advice-Jim "
 
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