3rd Gen High Performance and Accessories (6.7L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 6.7L ONLY!
View Poll Results: Fuel Mileage Poll
5-10
0
0%
11-14
14.29%
15-18
44.64%
19-23
41.07%
24+
0
0%
Voters: 56. You may not vote on this poll

Mileage Poll

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Old 09-22-2011, 09:14 PM
  #16  
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I got 17 with a gross of 11k running 58-60. I'm really starting to wonder what it would do on the hwy with the stock sized tires.
Old 09-22-2011, 11:28 PM
  #17  
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I gotta try driving slower when towing. At about 65, I'm getting about 10 MPG towing my boat anchor...
Old 09-23-2011, 06:18 PM
  #18  
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When my 08 had the stock tires and deleted I would see 19 to 19.5 on the highway. 68RE and 3.73's*

Put a set of 35x12.50 Toyo MTs and it dropped it to 16.5 to 17.
Old 09-28-2011, 03:09 AM
  #19  
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I usually get around 20 city/highway combined. 22 on the highway, 18 in town. Fully deleted, Black Maxx always on HD 175 w/Aggressive turbo tuning.
Old 09-28-2011, 08:30 AM
  #20  
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19-23 highway at Colorado altitudes at 75mph. Some parts have fallen off though.
Old 09-29-2011, 07:34 PM
  #21  
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milage

4x4 2009 6.7 deletes with Smarty ME version 19.5 to 20.5 if under
2000 rpm or right at 70mph
Old 09-29-2011, 10:41 PM
  #22  
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Hand Calculated 19.67 mpg, on a 500 mile road trip with a bunch of corners not just interstate driving, Auto, 4X4, Mini maxx, deletes and the faster i drove it the better the mileage kept getting on the overhead, although i didnt take it past 80 mph very often.
Old 09-30-2011, 06:28 AM
  #23  
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07.5 4x4 auto, on our last trip to Phoenix we averaged about 18 running empty, towing our TT we get about 12 to 13. Am still waiting for all that junk to fall off.
Old 10-01-2011, 10:37 PM
  #24  
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im in the 15-18 average NOT towing..

4X2 QCLD DRW

Towing heavy usually @ 7-10 MPG
Old 10-07-2011, 02:12 PM
  #25  
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double post

Last edited by ramped; 10-07-2011 at 02:15 PM. Reason: double post
Old 10-07-2011, 02:15 PM
  #26  
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22.7 hand math 23.4 on the meter
33x12.5x17 cooper sst`s
auto
4x4
xrt pro 175w/turbo tuning
full deletes
bd-power lift pump(this actually gave me a 3mpg increase)
Old 10-10-2011, 11:01 PM
  #27  
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19-23 highway only. 60mph no stop and go.
Old 10-11-2011, 06:21 AM
  #28  
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i have a 5.9 and i throw in 3oz of acetone in when i fill up. i can set my cruise at 50mph and hit 25-28 on the hwy by me...helps out a lot! i drive 60 miles to work a day and my 34 gallon can last about 8-10 work days or almost 2 weeks. i dont drive it much on the weekends and around town im still hittin 21-22ish.

i towed a 6200lbs trailer back in may when i moved back to michigan from north carolina. did the same thing 3oz of acetone and total weight of everything was about 12kish... crusied at 60-65 and i still was averaging 20mpg. drove about 620miles until the light came on.
Old 10-11-2011, 06:32 AM
  #29  
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6.7, 4x4, quad cab, auto, 6sp, hd, SLT, extra weight-hard tonneau, mud flaps, step rail, bed liner, towing equipment, cold air intake(dry filter). 15 to 19mpg not towing. All hand calculated, 11 to 13 mpg towing 11k across country.
Old 10-12-2011, 09:33 AM
  #30  
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14-15 short runs to and from work. Not much better though on the hiway. SMARTY on SW5, 6 speed, 375X18 tires.

Hal


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