Need More Mpg 2007 Duramax Dully
06-26-2008 | 01:54 PM
#1
Thread Starter
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Joined: Jun 2005
Posts: 3,214
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From: west palm beach FL,
Need More Mpg 2007 Duramax Dully
Doe's Anyone Know What Can Be Done And Still Stay Under Waranty To Increase Fuel Milage On A 2007 3500 Duramax ?
I Am Getting Around 13 Mpg Rite Now Empty That Would Be Most Of My Driving .
Thank's For Yoiur Help
Mike
I Am Getting Around 13 Mpg Rite Now Empty That Would Be Most Of My Driving .
Thank's For Yoiur Help
Mike
06-27-2008 | 12:20 PM
#5
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Posts: 689
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From: LOCKPORT, N.Y.
The dealer will be able to tell you if you have the current Rev. level or not. My mileage is 60% highway and 40% city. When people give you their mileage #'s you sould ask what their # consists of. I had a guy tell me 20-21mpg, I said no way. He then told me it was 95% highway driving.
06-27-2008 | 12:45 PM
#7
Rob
Joined: Aug 2001
Posts: 21,637
Likes: 9
From: Ms
My 03 4x4 dually,has exhaust,filter kit,and Edge set to gas milage,it gets around 15-16. Towing boat 10-12,car trailer 9-10
I put the exhaust and air filter kit first and could tell a diff
I put the exhaust and air filter kit first and could tell a diff
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06-27-2008 | 05:28 PM
#9
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From: Georgetown, TX
