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Old 03-17-2011, 03:12 PM   #7
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Join Date: Oct 2008
Location: San Antonio, Texas!
Posts: 733
Shell VPower! Only other option I'll put in is Exxon. 93 is the highest octane I've found in San Antonio. I can definitely feel a difference between a "Shell" tank of gas and say a "Valero" 93-octane. Sounds weird being the same octane, but something just feels different.

The Techron has proven results as well.
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