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Old 11-15-2012, 02:06 PM   #10 (permalink)
ConnClark
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Join Date: Jun 2008
Location: Richland,WA
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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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Try reading this paper "Interference Effects of Cooling Air-Flows with External Aerodynamics" . It covers how engine compartment cooling effects overall drag.

http://tech.jsae.or.jp/ijae/download...x?pno=20114635

Edit: I think you want to keep your under tray gill slits
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Last edited by ConnClark; 11-15-2012 at 02:14 PM..
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