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6.7 Liter Dodge Cummins 07.5-12 Discussion of 6.7 Liter Dodge Cummins Diesels

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  #31  
Old 01-15-2008, 05:38 PM
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It should not hurt a thing running in T/H mode. In fact they should of called it town and haul mode not tow and haul as it allows the TC to lock up in 2nd gear and up thus giving a bit better mpg for town driving. I have also noticed that if you want to improve your mpg in a CTD you don't drive it like a V8.

JMHO
 
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  #32  
Old 01-15-2008, 06:31 PM
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I've always been pretty light on the skinny pedal. I'll ride it once in awhile, but for the most part I take it easy.
 
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  #33  
Old 02-01-2008, 01:55 PM
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Again, I can't for the life of me figure out how to do that either. That big Dodge just likes to ROLL too often, I don't intend on it...just kind of has a mind of it's own and says..let's go. I'll keep trying but I hate those little bumble bee muffler kids having all the fun.....
 
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  #34  
Old 02-04-2008, 06:33 AM
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7000 miles total ( hand Calculated) 13.2mpg ave., best was @55mph (1 Time ) 15.4mpg, ave @ 70mph was 14.7mpg. Added Edge with Juice - last 1100 miles @ 70-75mph average 16.8 on setting 1 and setting 3. Amazed at how often it regens and what it does to mileage. No wonder I couldn't make sense of my averages before!
 
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  #35  
Old 02-09-2008, 08:11 AM
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I make a few trips to Louisianna on I-10 and I have been getting 18-18.5MPG when I stay on the Interstate. Normally I get around 16 Heard A few Horror stories of guys not getting more the 12-13 I would suggest checking the Intercooler line and make sure the Clamps are TIGHT.
 
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  #36  
Old 02-19-2008, 08:47 AM
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This may sound like an odd question, but those of you who get the higher mileage out on the highway, how much traffic is there on those roads?
I ask that, I've noticed that the best mileage I get is when I'm following people, I'm in their draft, or the draft of the vehicles that I'm in and out with in traffic.
 
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  #37  
Old 07-08-2012, 01:35 AM
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The rpm is a killer. Driving the speed limit keeping it at 55-60 your rpm on a 6.7 cummins will be at about 1600-1700 rpm and you will get 17 easy. Put some good conditioner in and accellerate easy and this is easy to get. When i drive like i am
off to a fire my mileage is way lower.
 
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  #38  
Old 05-14-2018, 03:01 PM
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Please don't spam with items you're trying to sell
 

Last edited by gunman41mag; 05-14-2018 at 05:55 PM.
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