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Old 07-28-2008, 02:20 PM   #9 (permalink)
jesse.rizzo
EcoModding Apprentice
 
Join Date: Jan 2008
Location: kansas city, MO
Posts: 103

Hyundai Accent - '01 Hyundai Accent
90 day: 38.4 mpg (US)

Gixer - '97 Suzuki GSXR600
90 day: 43.12 mpg (US)
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The octane ratings on the pump are minimum ratings. It's possible that if they are mixed with 10% ethanol, the 87 and 89 are both about 91 anyway. The change in mpg is almost definitely due to something else.
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