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ABA testing with windows up and down?
We all know you get worse gas mileage with the windows down on the highway. Even throttle stop testing and coast down shows windows down creating more drag. But has anyone on the forum actually done some ABA testing with mpg numbers? What about windows just cracked an inch?
Also side note- snow and ice build up on the side of the car or roof line and splatter around wheel arches Really hurts your mpg big time!
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