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Old 01-04-2013, 07:00 PM   #10 (permalink)
Sven7
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Join Date: Aug 2011
Location: Warren, MI
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Boo Radley - '65 Ford F100
90 day: 13.28 mpg (US)
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"since there is no other verifiable method."

Why can't you do coast-down testing? It would seem a lot more reliable and repeatable than pouring a gallon in. Plus, you'll probably get larger differences before/after so the data will be easier to sort.

If you want something to do in your spare time, design a kammback or boat tail. It'll be the most productive thing (aero wise) you'll do to your car.
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