Thread: drafting semi's
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Old 12-18-2011, 01:36 PM   #26 (permalink)
mattbatson
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Join Date: Dec 2011
Location: Deltona, FL, U.S.
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tow vehicle - '97 toyota 4runner limited

none - '09 honda civic si

none - '91 honda crx dx

sleepy - '91 Honda CRX dx
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so I'm hearing some figures like anywhere from 10 to 30% increase in mpg's...
does anyone have any instantaneous evidence...like from a scangauge? Or are these estimates over a tank?
Anybody done any informal testing...say where they would draft a semi, record the mpg's off the scangauge...then change lanes or drop back and getting another reading, etc..?
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1991 honda crx dx
1993 honda civic hatch
1997 toyota 4runner
2006 honda civic si
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