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Old 10-18-2009, 05:13 PM   #3 (permalink)
dwtaylorpdx
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Join Date: Oct 2009
Location: Portland OR
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on formula cars as well as sports racers (Formula car with a full body)
The ducting of the air through the radiator has huge effects on speed.

The EVO/Touring Cars all duct their air up through a tuned hole in the hood so as to take the firewall air out of play aerodynamically.

But you have to rethink engine insulation, there is a lot of stuff under the hood that needs some air flow to stay healthy. (Alternator, electronics etc)

Dave
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