Thanks for the feedback guys. I'm sure that there is more logical explanation for all of this but it sure seems that Sunoco gas yields worse MPG than Wawa. I would really expect Sunoco to have better fuel considering it's the "official fuel of NASCAR" but I think I'm a convert back to the cheap stuff. Can't say that either brand yields a better/smoother running engine so the only thing that really matters is the MPG results...
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-Mike
2007 Ford Focus ZX5 - 91k - SGII, pending upper and lower grill bocks - auto trans
1987 Monte Carlo SS - 5.3/4L80E swap - 13.67 @ 106
2007 Ford Focus Estate - 230k - 33mpg - Retired 4/2018
1995 Saturn SL2 - 256K miles - 44mpg - Retired 9/2014
Cost to Operate Spreadsheet for "The New Focus"
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