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Old 06-19-2009, 03:48 PM   #4 (permalink)
ConnClark
DieselMiser
 
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Join Date: Jun 2008
Location: Richland,WA
Posts: 967

Das Schlepper Frog - '85 Mercedes Benz 300SD
90 day: 23.23 mpg (US)

Gentoo320 - '04 Mercedes C320 4Matic
90 day: 22.44 mpg (US)
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I have to wonder if you could use fewer VGs and get close to the same improvement. Your original air flow near the sides of the rear window was pretty well attached.
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