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Switching to 5W30

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Old 06-20-2014, 06:07 AM
thinksnow thinksnow is offline
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Switching to 5W30

Has anyone switched their oil over to 5W30. At 140k the old girl is burning some oil. I'm thing the 5w30 might slow that down a bit along with being more resistant to the summer heat. Thoughts??
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Old 06-22-2014, 06:13 AM
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It won't hurt anything. The ecoboost is using 5w-30 for more heat resistance.
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Old 06-23-2014, 09:09 PM
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Works fine. EU motors spec 5w30.
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Old 07-10-2014, 10:54 PM
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I switched my 07 navigator to 5w 30. It had 33,000 miles on when I did it. I looked up the 20 vs 30 viscosoty at 200F and they were very close. So that was good enough for me.
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