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Mixing oil for optimum performance

Old 07-01-2017, 12:03 PM
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Default Mixing oil for optimum performance

Greetings- New widow, trying to figure out this oil thing. I have a 2008 A4 Cabriolet. 90K miles. It is burning more oil than normal, I think. The manual says to use SAE 5-30 or SAE 0W-40. My late husband had purchased two gallons of Mobil 1 0-W30. Probably for a different vehicle.
What, if anything, can I mix with that oil to get to the correct formula? Many thanks....
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Old 07-01-2017, 12:18 PM
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Mary, welcome aboard.

That's definitely the wrong oil and will not meet the spec set forth by the engine manufacturer.

Look for something thicker. I would try to purchase Castrol's oil meeting the 502.00 spec in 5W40 weight.
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