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Old 07-30-2008, 12:34 PM   #5 (permalink)
xbUser
Box Dreamer
 
Join Date: Jul 2008
Location: Pittsburg, CA
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xB Commuter - '04 Scion xB
90 day: 40.76 mpg (US)
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I am new in electronic area. However, isn't it better to open the grille when the fan is turning on? My logic: (too hot => turn on fan & open grille to cool down; not hot enough => close grille to warm the engine and getting better aero-dynamic)
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