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  #11  
Old 01-06-2011, 07:21 PM
Dalton06 Dalton06 is offline
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Age: 29
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Vehicle: 2006 2500
Trim Level: Laramie
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Engine: 2005-???? 359ci (5.9L) Cummins ISB 610 24-Valve Diesel I6 325hp 610 lb/ft
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Mine don't move quick. My friend had a 05 2500 cummins, and his economy readings were instant. Push pedal and reading goes down, let off and it'd go up. Idk.
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  #12  
Old 01-10-2011, 04:24 PM
domn8r domn8r is offline
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Join Date: Jan 2011
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Vehicle: 2006 Dodge Ram 2500 4x4
Trim Level: SLT
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Engine: 2005-???? 359ci (5.9L) Cummins ISB 610 24-Valve Diesel I6 325hp 610 lb/ft
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The economy meters are notorious for being inaccurate. If your tires are larger than stock and it's not calibrated, you will be off, speedometer as well. Occasionally, the gauge will be close to your hand calculated mileage oft times, it can vary from 3-7 mpg. Useless...really only thing it is good for is resetting it and seeing how you can get it. I once got it to 43 MPG downhill!
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  #13  
Old 02-15-2011, 01:03 AM
Stangshcky12 Stangshcky12 is offline
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Lie-O-Meter....

It is really wierd how these trucks are all different and they all like different things. A buddy of mine has on 06 3500 SRW quad cab short bed and his reads at about 18.5 and he's getting around 14-15mpg. My girlfriends 05 2500 QC long bed reads 24.5 and is pretty close to it. Both trucks are 6 speed manuals with leveling kits and 35's. Another friends 03 3500 DRW running a 175hp tune gets 21-22 with the lie-o-meter reading somewhere around 26 mpg.
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  #14  
Old 02-28-2011, 09:24 PM
Poriggity Poriggity is offline
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Join Date: Jan 2011
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Vehicle: 2004.5 Dodge Ram
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Engine: 2004-2004 359ci (5.9L) Cummins ISB 600 24-Valve Diesel I6 325hp 600lb/ft (6-Speed Manual)
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The mpg calculator on the overhead is ALWAYS wrong.. It's not always reading higher than it should.. some read lower than they should. Mine reads constantly 2 mpg lower than I get when I hand calculate.
Don't trust the overhead.
Scott
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