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09-25-2011, 07:25 PM #1
- Join Date
- Sep 2011
bad fuel mileage.. what brand to recommend
have a 2007 DuraMax 4X4 dually... info center shows 8.9 to 9.2 mpg towing my 11,000 horse trailer...and 11/12 mpg not towing. Can someone recommend a fuel saving chip that really works? One person recommended Bully Dog/triple dog model... I have no idea or experience on any of this stuff. I just feel this truck should get better fuel mileage with or without towing.
Thanks so much....
09-30-2011, 09:26 PM #2
- Join Date
- Aug 2011
- Colorado Springs, Colorado, United States
I have a 2011 Silverado LS 4x4 that has the 4.8L. I was expecting to get a little better mileage then 13-14 in the city... Before this I had a Jeep GC that had the v6 that got me the same mileage, overall I would call it a win... lol. I think I got about 18 on the highway. Anyways I hope you find what you are looking for.
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