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Join Date: Nov 2005
Location: Carbon County Pa/Kidder Township
Re: Marine Oil vs Auto Oil
For my small boat I run Mercury's Quciksilver 25W40 Synthetic oil.
It costs more but sure beats issues with the oil thinning out on hot summer days.
You can use regular automotive oil in the boat but I stick with the Merc oil for peace of mind.
The bigger boat I let the dealer service it so I have no idea what type oil they stick in the Verado's.
My ability to remember lyrics from songs of the 60's far exceed my ability to remember why I walked into the kitchen