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Rotella 15w40 vs Mercury 20w50

Old 05-04-2009, 04:27 PM
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Default Rotella 15w40 vs Mercury 20w50

Would it be ok to use the 15w40 Rotella in a 6.2 instead of the Mercury oil? What would the plus's or minus's be of either one?
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Old 05-04-2009, 11:15 PM
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Mobile1 15w50 runs great in the Mercury Motors. It cheaper than Mercury Quicksilver and is available at Wal*Mart.
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Old 05-05-2009, 08:47 AM
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X2 on the Mobil 1 15W50 silver cap. $26 in a 5 quart jug at Wally World.
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