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Old 05-18-2010, 07:33 PM   #89 (permalink)
swede
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Join Date: Aug 2009
Location: Winnipeg, Canada
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Quote:
Originally Posted by ChazInMT View Post
I have have gotten 15.5 mpg at worst and 17.5 mpg for my best tank of gas over the past 3 months. Not real scientific but I never saw better than 15 mpg before I put the cap on.
It sure sounds like a small improvement until you do the math though, doesn't it. Still puts you well ahead percentage wise, unlike those same 1-2 mpg gains would on a car that already gets 50+mpg.

I guess that's one of the blessings/curses of having a vehicle with the aerodynamics of a barn door to start out with
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1994 electricfly EV conversion 36V/450A/60km/h
1997 Suzuki Sprint hatch (parts car?)
1998 Geo Metro sedan 1.3L auto (the wifes)
2009 GMC Sierra 27us/mpg best yet (still workin on it)
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