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Tweaking a 1966 F250 for better FE
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03-25-2017, 05:15 PM
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aerohead
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airdam width
The conventional wisdom is to use a full-width,wraparound airdam,which cuts airflow off to under the vehicle,and brings it around on the sides as you see on late model pickups.
It's a torture chamber for air underneath
Consider leaving around 6-inches of ground clearance to prevent ripping your hard work off on driveway ramps 'n such.
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