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Old 11-10-2020, 04:58 PM   #6 (permalink)
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Join Date: Jul 2010
Location: Canada
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GreenTurtle (Retired) - '01 Toyota Echo Sedan
90 day: 44.85 mpg (US)

Zulu - '14 Honda CR-Z
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Definitely a grille block.

2 in 1 in terms of benefits as it allows for faster warm-up times and provides an aerodynamic advantage.

Just make sure to consider all the variables when determining the grille block area. Such considerations can be : ambient temperature, cooling requirements (engine, transmission, etc). Choose a durable material as it will get beaten up, especially in the Winter.
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