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Fuel

3K views 12 replies 12 participants last post by  JFUSION 
With only a .5MPG improvement, it's more expensive to run mid-grade.

As far as increased power from simply adding higher octane fuel, that for the most part is a myth. There are actually a few cases where that can decrease engine power. Your best bet is to just run the 87 octane that the engine was designed to run on.
 
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