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Dreaming 
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Joined: May-21-2010 Location: Tacoma, WA Status: Offline Points: 1870 |
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 Topic: Oil Question?Posted: November-08-2020 at 11:46pm |
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Does anyone have thoughts on high mileage oil? I am out of the PENN 10w40 that I was running, and discovered that my local supplier has fallen victim to COVID and is no longer in buisness. I found Mobile 1 10w40at walmart in the high mileage formulation, but I don't know if that will have adverse affects on my engine with 60 hours?
Just for reference, and to quell the lashing I'd get about ZDDP, My engine was built with a roller cam  If the MOBILE 1 10-40 isn't good, can someone make a recommendation? does Diesel oil work? there was plenty of options in the 15-40 diesel variety. |
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Jonny Quest
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Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2995 |
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Posted: November-09-2020 at 1:22am |
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High mileage oil may contain additives to swell seals to help stop oil leaks. I would recommend non high mileage oil unless you have high miles/hours or a pesky oil leak. Diesel oil is generally very good oil. Rotella T6 synthetic is good stuff.
JQ
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2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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Dreaming
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Joined: May-21-2010 Location: Tacoma, WA Status: Offline Points: 1870 |
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Posted: November-09-2020 at 11:22am |
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Thanks JQ! I wondered if the seal swelling agent might be the difference. I don't have any leaks in the current set up, so no need for a swelling agent.
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Nautiquehunter
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Joined: December-31-2008 Location: Lake Lanier GA Status: Offline Points: 1010 |
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Posted: November-10-2020 at 4:52am |
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Mobil 1 15w50 is what Mobil recommends in both roller and flat tappet marine engines.
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