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12-27-2016, 03:55 PM
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#29
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Senior Member
Join Date: Mar 2015
Posts: 218
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2015 denali 3500 drw. Banks intake,exhaust, IQ programmer. Pulling 17500 fIver through the Rockies 10-12 mpg. Empty 18 mpg hi way at 80 mph
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2015 3500 Denali DRW
Pushed by 2015 Redwood 36RL Loaded
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12-27-2016, 04:01 PM
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#30
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Senior Member
Outdoors RV Owners Club
Join Date: May 2012
Posts: 1,663
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2008 F450, many mod$, fuel economy"who cares".
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2008 F450, 2016 Outdoors RV Glacier Peak 26 RKS
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12-27-2016, 07:05 PM
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#31
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Member
Join Date: Dec 2013
Location: WI
Posts: 60
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Tow vehicle is a 2015 Chevy Silverado 3500HD DRW towing a 2010 36TKSB3 Mobile Suites. To date we get about 7-10 mpg towing in the hills (not mountains) and 9-13 on the flatlands. Have logged about 8-9k towing the last two seasons. When not towing I get about 18-22 mpg. No mods to truck and have about 47k on the truck. I/we have another 9 months till we go full-time.
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12-29-2016, 06:42 PM
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#32
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Senior Member
Join Date: Jan 2015
Posts: 521
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No major mods- just the basics. Cow catcher, mud flaps, 5th wheel tailgate, WeatherTec mats, and I think that's it. Just turned over 6K mileage.  I really need to put some miles on this thing. I think I'm getting around 18mpg.
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2014 RAM 2500 CTD 6.7 Tradesman 4WD CCLB Auto
2015 Forest River Rockwood Signature Series Ultra Lite 8289WS w/ Diamond Package
Honda eu2200i generators
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12-29-2016, 09:13 PM
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#33
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Senior Member
Join Date: Sep 2016
Location: SLC, UT
Posts: 1,172
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2005 Ford F-350 SRW 6.0 Power stroke. 171k miles. No mods, completely stock. 50 gallon Titan fuel tank.
8.0mpg towing our 15k# 5th- I have a heavy foot. I've seen 17mpg highway unladen.
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2017 F-350 6.7 Diesel, CCSB SRW - 2005 F350 6.0
2018 Alpine 3660FL - 2005 Alfa SYF30RLIK
--Full time 2016 to 2019-- Seasonal now
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12-30-2016, 04:59 PM
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#34
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Junior Member
Join Date: Oct 2016
Location: Rock Hill, SC
Posts: 12
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2004 Dodge 3500 Heavy Duty 4x2 Crew cab DRW. 5.9L Cummins 6 speed. 197K miles. I took the muffler off, installed a cast differential pan and added a 1.5" spacer to the front springs. 19mpg empty 11-12 loaded 21,000 CGVW. Rebuilt the entire front end this year, oil changes every 7,000 with synthetic oils. Great truck!
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2115 Salem Hemisphere Lite 368RLBHK
2004 Dodge 3500 DRW Crew 5.9L
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12-30-2016, 06:24 PM
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#35
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Senior Member
Join Date: Aug 2015
Posts: 856
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2015 Ram 3500 Dually 4 door BigHorn, Cummins, 68rfe trans and 4.10 gears. Bone stock in the driveline components. Going to do a full delete next year
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01-01-2017, 01:43 PM
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#36
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Senior Member
Join Date: Sep 2013
Posts: 1,500
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2014 3500 RAM SRW 4wd 10.5 to 11 towing. 20 on a flat road. Bilstiens , Airbags, HID projector to replace those crappy stock head lights . Mag hi tech Tranny and rear end covers and some other insignificant stuff. Lol
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01-01-2017, 05:16 PM
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#37
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Senior Member
Join Date: Sep 2009
Location: Florida
Posts: 779
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Quote:
Originally Posted by Whitewolf
That's what I get. Get close to 30 doing 55. When the truck was new and had the stock tires, I went from here to St. Louis MO and got 28mpg. Switched the stock tires to more aggressive Mud & Snow and the milage dropped.
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Quote:
Originally Posted by Whitewolf
No drafting. Synthetic oil everywhere. Tires inflated to 60. 3.42 rear end.
I'm heading to southern Missouri in a couple of weeks. I'll verify and see if things are still the same. Cruise will be set to 72. I know winter blend will take it's toll.
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Well congrats on getting the best MPG out of all of the 6.7 CTD Rams. Your secret is simply amazing.
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2019 Newmar Canyon Star 3719
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01-01-2017, 06:01 PM
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#38
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Senior Member
Join Date: Sep 2013
Posts: 1,500
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Sometimes those electronic mileage meters exaggerate. Just saying.
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01-02-2017, 06:19 AM
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#39
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Senior Member
Join Date: Aug 2015
Posts: 856
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Quote:
Originally Posted by jacknife
Sometimes those electronic mileage meters exaggerate. Just saying.
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No, they are right. It's the end user that exaggerate I have seen mine read at 1 time 23mpg...that's not real world average. I see 8 towing and 14.5 city and 18 highway
In other words most somewhat intelligent truck owners understand that your 28mpg milage claim while coasting 2 miles down a mountain is unrealistic. Well not yours but whoever said they are getting 23mpg out of a Cummins is pretty bogus
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01-02-2017, 07:09 AM
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#40
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Senior Member
Join Date: Jun 2010
Location: Upstate New York
Posts: 3,722
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2011 F250 CCLB, 98,000 miles, 5er AND camper options, all stock engine and will stay that way. KYB shocks, Ride-Rite air bags, 5er tailgate. Open road empty mpg = 18-21, hauling the 12K 5er = 11-13 (low number is on 20% biocrap fuel), mixed/town driving = 14 -16.5 (we have winter blend fuel from Nov 1, hence the lower mpg number)
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Dave W
2011 Ford F250 6.7 Lariat CCLB, Gone but not forgotten
2014 Montana High Country 343RL (sold it!)
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01-02-2017, 08:08 AM
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#41
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Senior Member
Join Date: Sep 2011
Location: Arkansas
Posts: 2,500
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Quote:
Originally Posted by Wild Card
No, they are right. It's the end user that exaggerate I have seen mine read at 1 time 23mpg...that's not real world average. I see 8 towing and 14.5 city and 18 highway
In other words most somewhat intelligent truck owners understand that your 28mpg milage claim while coasting 2 miles down a mountain is unrealistic. Well not yours but whoever said they are getting 23mpg out of a Cummins is pretty bogus
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I agree... I have checked our mileage the old fashion way,, on paper. But our truck is real close, as in "average". Mine shows instant and you can set the average from like the last 50 miles up to I think the last 400 or maybe 500 miles. The Average is what you should go by.
Our last big trip (almost 2800 miles) we averaged 11.9 mpg, highway, two lane, city,,, That was running 70 mph on the interstates. Sure I did a test and it goes up running slower of course, but we are time limited. GCVW was around 17K .
Monkey
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Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
1ST CAV
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01-04-2017, 09:37 PM
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#42
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Senior Member
Join Date: Dec 2013
Posts: 1,846
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I'm going to have to get a Ram. They must come with some sort of hidden power that boosts the mileage.
People on these forums want facts and the tendency to exagerate especially mileage is not doing anyone any good.
It seems to be a human tendency to always have to say that your (whatever) is the biggest and the best.
Enough sermon, need to go on Ram website to learn the secret.
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