Does what it is supposed to do
Posted on 11/29/2008 by Jess A. - 2001 Ford F250 (Williamsburg,IA)
76 of 140 people found the following review helpful.
"I installed on my 2007 F250 V10. We drove 100 miles filled up with gas and I uninstalled the E3 Triple Dog and drove back the 100 mile trip. I got 1.69 mpg better with the chip installed, so I would give it an excellent rating. Hopefully it will improve that much while towing."
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