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Old 08-24-2013, 05:12 PM
boomer boomer is offline
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Join Date: Jul 2012
Location: North Eastern Minnesota
Age: 32
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Vehicle: 2007 Ram 1500 quadcab 4x4
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Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Default what tune give the best mpg?

I am currently running the 87 tune with msds off and I have seen 2 mpg better then with no tuner, which I'm happy with. My question is for my road trip 1100 miles each way mostly interstate and some rolling 2 lanes roads, pulling a tandem axel enclosed trailer loaded at about 6000 lbs. What tune should run for best mpg? Keep in mind I usually have it about 5-7 mph over the posted limit. Have the Hemi and 3.55 gears in my 1500, was wondering if anyone has had a chance to experment for mpgs when pulling
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