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7golfman 
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Joined: August-18-2011 Status: Offline Points: 40 |
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 Topic: oil changePosted: December-12-2011 at 12:45am |
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Why is it recommended to change motor oil while winterizing? I don't know but it seems to me it would make sense to change oil in the spring when its time to go boating. Just curious.
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7golfman
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critter
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Joined: January-11-2008 Location: New Hill, NC Status: Offline Points: 1227 |
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Posted: December-12-2011 at 1:32am |
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It is not recommened to let the old oil with all of its comtaminates to
set in the oil pan all winter. Clean oil will not create sediment. |
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1980 Ski Nautique
1966 Barracuda |
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OverMyHead
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Joined: March-14-2008 Location: MN Status: Offline Points: 4861 |
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Posted: December-12-2011 at 2:41am |
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I am not an expert but have been told contaminated oil can become corrosive also.
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For thousands of years men have felt the irresistible urge to go to sea, and many of them died. Things got better after they invented boats.
1987 Ski Nautique |
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DrStevens
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Joined: October-15-2011 Location: Columbus, OH Status: Offline Points: 422 |
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Posted: December-12-2011 at 9:04am |
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It's also ready to go next season
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: December-12-2011 at 9:17am |
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I have seen main and rod bearings that look like "swiss cheese" from old oil and it's high acid content. This was an old engine that had been sitting with the old oil for a couple of years. "Not given" (golfman)
 your "sense" is off! Time on the engine will make a difference. I have stored some of my very low hour boats over winter without and oil/filter change but I'm talking less than 10 hours of run time.
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Waterdog
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Joined: April-27-2006 Location: United States Status: Offline Points: 2020 |
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Posted: December-12-2011 at 10:06am |
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Blow by - The PCV valve scavenges out the crank case but a little or a lot of the blow by is obsorbed by the oil in the pan and its "acidic"
and the Total Acid No. goes up 1.0 is high. Like Pete said the acid in the old oil attacks the soft metals. (bearings) |
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7golfman
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Posted: December-12-2011 at 10:33pm |
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thanks for the feedback
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7golfman
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