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Old 05-28-2015, 05:54 PM   #72 (permalink)
2000mc
herp derp Apprentice
 
Join Date: Oct 2008
Location: Lawrence, KS
Posts: 1,049

Saturn-sold - '99 saturn sc1
Team Saturn
90 day: 28.28 mpg (US)

Yukon - '03 GMC Yukon Denali
90 day: 13.74 mpg (US)
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The practical version of what I think the best theoretical version is, didn't seem to work for me.
That's why I added a qualification to my answer frank, I taped some up on mine that tested worse than doing nothing. I still think they would work great if I closed in the wheel wells on the underside and before and after the wheels with very small gaps, but that's far harder to design, build, service vehicle, keep intact in all conditions.
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