Quote:
Originally Posted by guudasitgets
Did you see much of a diffrence in MPG? By that I mean not a 10 or 15 mile trip, I mean a 200 mile tankfull compared to a 200 mile tankfull?
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I measured a 2.9% improvement @ 59 mph / 95 km/h. Though it wasn't very rigorous:
Testing grille blocking & wheel skirts: +5.7% improvement - MetroMPG.com
Also see:
Found a coastdown hill! Mini comparo: windows vs skirts vs hatchback
FYI, rear skirt effectiveness won't be consistent across different cars. It depends a lot on how close the rear arch is to the rear of the car (my opinion is that the closer the wheel is to the corner, the more a skirt will help); the size of the tire/arch gap, wheel cover style & other factors.
Quote:
Originally Posted by zemmo
I see your rims have the slots filled. How was that done?
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I just cut out some thin plastic shapes and glued them to the wheel cover. 2 of the shapes have since come off (wrong kind of glue).