1986 OMC 4.3L Lower Unit Housing Cracks

Edubbayoo60

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Joined
Aug 3, 2009
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Can you successfully weld a 2.5" long thin crack in the lower unit housing a couple of inches forward of the water intake ports? Or is it not even worth it since the housing is cast aluminum? The cracks, one on each side, are in areas that are slightly deformed outward by water that leaked in and froze last winter.

Know where I can pick up a used lower unit housing if welding is not an option? Thx.
 
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