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Old 07-23-2010, 11:02 PM   #127 (permalink)
Dr. Jerryrigger
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Join Date: Jun 2010
Location: mass
Posts: 181

The Sh*t-Box - '99 Subaru Impreza Outback Sport
90 day: 27.81 mpg (US)
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Well you still basing this on the known spammers' numbers, a realistic gain is 1-6%. Even 20% is fair fetched.