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Old 04-11-2010, 03:19 AM   #44 (permalink)
EcoModding Apprentice
Join Date: Jul 2008
Location: Florida
Posts: 135

1991 RED Metro 1.0 Auto - '91 Geo Metro Lsi Auto
Team Metro
90 day: 38.28 mpg (US)

1991 3/5 2 door Blue/green - '91 Geo Metro
Last 3: 42.6 mpg (US)
Thanks: 54
Thanked 16 Times in 14 Posts
Neil I think you're right, I've seen the illustrations showing the vortexes.I think when I roll the window down some it creates a low pressure area in the cabin and kills the vortex.

Here's a link showing the tufts I have on my car now.
Tuft testing - Picture
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