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Old 08-04-2008, 10:38 PM   #4 (permalink)
MetroMPG
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Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 22,534

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

MPGiata - '90 Mazda Miata
90 day: 54.46 mpg (US)

Appliance car Mirage - '14 Mitsubishi Mirage ES (base)
90 day: 57.73 mpg (US)
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That would be better than leaving it off, yes. Great idea - I didn't realize it was adjustable.

If you can get it to angle down a couple of degrees lower than the extended roofline, it might be slightly better still.

What will happen with the sides of the roof spoiler though - they look like they sit flush against the side of the rear window gasket
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