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First Oil Change to Pennzoil Syn

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Old Sep 19, 2011 | 07:45 AM
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mgoony
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Joined: Jun 2011
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From: Liberty Twp, OH
Default First Oil Change to Pennzoil Syn
First Oil Change to Pennzoil full synthetic. am I crazy or am I imagining better mileage out of my JKUR 4.10 with 35s my ave gas used to be 13.00 now its 13.6 Now notice I am on a non speedo corrected 2011.

Can oil do that?
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Old Sep 19, 2011 | 08:09 AM
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jktoy
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From: chatsworth,ga
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Pennzoil all the way. I didn't notice any change in mpg. But it made a difference in how it runs.
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