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Old 05-26-2008, 12:34 PM   #6 (permalink)
worldskycat
EcoModding Lurker
 
Join Date: May 2008
Location: Idaho
Posts: 4

Ruby-doo - '04 Hyundai Sonata
90 day: 37.73 mpg (US)
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Since the radiator fan sits in the low pressure zone behind the radiator, when it engages it is artificially increasing the flow rate from high pressure zone to low pressure zone. Disabling the fan would work if you had a way to control the pressure values behind the radiator by some sort of mechanical channeling of air. Find a way to lower the pressure at will behind the radiator (other than a fan) and you can ditch the fan.
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