Thread: Premium vs. Regular
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Old 04-13-2009, 04:09 PM   #1 (permalink)
thebluelightbulb
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Join Date: Apr 2009
Location: southern ontario, canada
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Zippy - '06 PONTIAC WAVE 5DR
90 day: 38.73 mpg (US)
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Premium vs. Regular
Anyone have any gains using premium vs. regular gasoline? I've been using Shell V-Power and i seem to get a 10% gain in efficiency.
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