Engine Oil
12-30-2010, 12:40 PM
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Location: Colorado Springs, Co.
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YES! Any variance will void the warranty, cause the engine to sieze, and cause your wife and daughter to get knocked up by the poolman. 
Do a search, probably dozens of threads on the subject. If its an older Merc pushrod engine, an oil with more zinc may be preferable.
Do a search, probably dozens of threads on the subject. If its an older Merc pushrod engine, an oil with more zinc may be preferable.
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