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Old 09-26-2011, 03:03 PM   #36 (permalink)
CigaR007
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GreenTurtle (Retired) - '01 Toyota Echo Sedan
90 day: 44.85 mpg (US)

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Grille blocks aid in reducing the airflow entering the engine bay. That means less drag internally (related to cooling) by deviating the incoming flow to the sides and upwards of the hood.

A turbine upfront is not ideal; far from it.
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