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Re: What could have caused a 25 to 30% increase in fuel economy?
Posted to Technical Theory Forum on 2/1/2011 6 Replies

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That might not be a bad idea there with the 5w20. Ever since I acquired the vehicle I have ran 5w30 (weight it calls for) Mobil 1 full synthetic oil. I think it might have helped get the wife and kid... Login to read more.

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