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Old 01-23-2008, 05:56 PM   #6 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,218

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.8 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)
Thanks: 2,978
Thanked 5,848 Times in 3,031 Posts
Darn you Californians and your good testing weather.

I've attempted to test rear skirts 3 times on 3 different vehicles: details here

In all cases, the tests were less than perfect, despite 2 of the 3 being A-B-A style (I concluded based on the 2 sets of A data that the drivetrain temps hadn't stablized).

Results were between 0.6% MPG improvement to 2.7%, with the largest impact seen on the Metro (which I think is due to the design & placement of the wheel arch).
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Latest mods test: 15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed
Ecodriving test:
Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
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