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Old 11-29-2011, 04:51 PM   #39 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
Thanks: 120
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A-B-A testing

Did some A-B-A testing recently.

My 90 day average is 15.17 with the air dam.

This last tank was 13.55 with the air dam off.

Waiting to see what the next tank does.
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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