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Old 05-21-2012, 08:29 PM   #3 (permalink)
tortoise
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Join Date: Aug 2011
Location: Sequim, WA
Posts: 71

number 9 - '89 Geo Metro LSi
90 day: 49.25 mpg (US)
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Quote:
Originally Posted by allenh318 View Post
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?
Closing the throttle (letting off the gas pedal) will restrict airflow and use less fuel. Also, you'll go slower.
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