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Old 01-27-2009, 04:13 PM   #8 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
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Blackfly - '98 Metro
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90 day: 67.07 mpg (US)

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U.F.O. - '00 Insight
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It was just one of several differences. I don't think anyone has quantified any of those things because it's nearly impossible to do a proper A-B-A comparison:

- lighter curb weight (1621 vs 1650 lbs for the LSi)
- no passenger side mirror (OK, that one's easier to estimate)
- different engine computer
- different cam shaft & sprocket
- different piston design (2 vs 3 rings)
- taller final drive
- 49 hp / 58 lbs-ft vs 55 / 58
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