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Old 05-21-2012, 07:19 PM   #1 (permalink)
allenh318
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Join Date: Mar 2012
Location: pa
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Infiniti - '11 Infiniti G25X AWD
90 day: 29.82 mpg (US)
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Can restricting airflow actually increase mpg

Just had a couple thoughts and am looking for some answers that i am not sure of. If getting more airflow into the intake will increase HP, would restricting airflow decrease the HP of the engine, thus using less fuel to keep the mixture correct? I know the thinking is more HP allows you to keep out of the throttle, but would less hp make your engine act like a smaller engine? The other side of this would less airflow make it run less efficient?

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