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10-27-2017, 06:26 PM
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#1
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Junior Member
Join Date: Oct 2017
Posts: 11
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diesel question
I'm about to order a new Ram diesel. Never owned a diesel before. I've done a tremendous amount of reading, but still have some questions. Any difficulty with navigating truck stops? Is def readily available? What kind of mileage to expect? I own a FR Surveyor 5er. 10,000 gvw with 1700 pin weight. Don't really need it for this one, but see a CC Silverback in our future.
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10-27-2017, 06:36 PM
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#2
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Senior Member
Join Date: Aug 2016
Posts: 129
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Cummins diesel in Ram is strong but LOUD. Have you driven it? DEF is not a big deal. In my Duramax, 5000 miles between fills.
__________________
2016 FR Sierra 377FLIK
2016 GMC Sierra 2500HD Diesel
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10-27-2017, 06:38 PM
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#3
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Senior Member
Join Date: Aug 2016
Posts: 129
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I get 23 mpg in my Duramax on highway, 13 mpg while towing Sierra 377flik.
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2016 FR Sierra 377FLIK
2016 GMC Sierra 2500HD Diesel
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10-27-2017, 06:42 PM
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#4
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Senior Member
Join Date: May 2017
Location: Western Montana
Posts: 883
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I have an older F350 diesel and a 2016 Mercedes diesel MH. Diesel is easy to find. DEF is available on the truck island at many places for around $2.79/gal as I recall and one can get DEF in 2.5 gal containers at WalMart for under $10. DEF does have a shelf limit that is temperature dependent.
Fuel economy towing is hard to guess at and dependent on so many variables like terrain, speed and traffic. My F350 towing a 28ft TT 7500 lb got about 11-12mpg. I generally tow at about 62mph. I know the newer diesel trucks get better mileage when not towing but don't know how they do towing. I'm sure other with experience will chime in.
Good luck!
__________________
Mike and JoAnne
Montana Summer / Arizona Winter
2016 Prism 24G /2002 HitchHiker 38LKTG
ACME EZTowing a 2015 Chevy Sonic RS Hatchback
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10-27-2017, 06:48 PM
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#5
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Senior Member
Join Date: Feb 2015
Location: North Ga.
Posts: 420
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Quote:
Originally Posted by ktvaughan
I get 23 mpg in my Duramax on highway, 13 mpg while towing Sierra 377flik.
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I sure would like to know your secret. The best I have been able to get is 19.9 highway and 10.9 towing around N. Georgia. I would love to get that kind of numbers. 
__________________
USAF Ret. ______________________________________
2015 24 FQSL NITRO TH
2015 2500 Silverado Crew Cab LTZ Duramax 4X4
2012 HD Street Glide
2008 Honda FSC600 Silver wing
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10-27-2017, 06:50 PM
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#6
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Senior Member
Join Date: Aug 2016
Posts: 129
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Full tire pressure.... 
__________________
2016 FR Sierra 377FLIK
2016 GMC Sierra 2500HD Diesel
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10-27-2017, 06:54 PM
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#7
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Senior Member
Join Date: Feb 2015
Location: North Ga.
Posts: 420
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????
__________________
USAF Ret. ______________________________________
2015 24 FQSL NITRO TH
2015 2500 Silverado Crew Cab LTZ Duramax 4X4
2012 HD Street Glide
2008 Honda FSC600 Silver wing
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10-27-2017, 06:56 PM
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#8
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Senior Member
Join Date: Aug 2016
Posts: 129
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The tires on my Sierra 2500HD are 70 psi. No rolling resistance.
__________________
2016 FR Sierra 377FLIK
2016 GMC Sierra 2500HD Diesel
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10-27-2017, 07:02 PM
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#9
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Senior Member
Join Date: Oct 2011
Location: Fort Worth
Posts: 664
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I get 13-15 mpg around town (many lights). On the highway I have seen a high of 24, but usually 20-22. Towing 8000 lbs I average 11.5 to 13 mpg.
__________________
Joe
2015 Wildwood 27RKSS (now sold)
2015 Silverado 2500HD Duramax 
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10-27-2017, 07:26 PM
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#10
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Junior Member
Join Date: Oct 2017
Posts: 11
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I took a 2018 3500 for a rather lengthy test drive last week. Loved it!
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10-27-2017, 07:28 PM
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#11
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Junior Member
Join Date: Oct 2017
Posts: 11
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I have a 2015 F250 gas. I'm not a hard driver. Best I can do is 15-16 empty and 9 towing!
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10-27-2017, 07:40 PM
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#12
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Senior Member
Join Date: Jun 2016
Posts: 597
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You will love the RAM, I have a 2014 3500 CC 8 foot bed with cummins, I have seen 24MPG on the highway (not towing), 15 to 16 in the city and 12mpg towing 12K. You will go thru a lot more DEF when towing.
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10-27-2017, 08:33 PM
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#13
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Senior Member
Join Date: Sep 2013
Location: Texas
Posts: 1,183
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Quote:
Originally Posted by modelrr
I'm about to order a new Ram diesel. Never owned a diesel before. I've done a tremendous amount of reading, but still have some questions. Any difficulty with navigating truck stops? Is def readily available? What kind of mileage to expect? I own a FR Surveyor 5er. 10,000 gvw with 1700 pin weight. Don't really need it for this one, but see a CC Silverback in our future.
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I have a 2014 Ram with the 6.7 cummins. 24 mpg on the highway with an empty bed and light to moderate traffic is pretty common. 12 - 13 mpg on the same highway towing our 2014 Rockwood, about the same weight and pin weight you have. I used 8 gallons of DEF on a 6000 mile 6 week trip this summer allot was in the rockies. Averaged 12.7 MPG the entire trip. I don't have a heavy foot, speed limit or under when empty and 60 - 65 mph max while towing.
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Joe & Beverly
2014 Ram 2500 CTD, CC, SB
2014 8289WS lifted
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10-27-2017, 09:14 PM
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#14
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Senior Member
Join Date: Feb 2015
Location: Oswego il
Posts: 2,430
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My two sons and I own 4 Dodge/RAM Cummins diesel between us. My one son has two a 1996 2500 Dodge Reg cab long bed, his second Dodge is a 2006 Crew Cab that is a show truck. My truck is a 2008,2500 MEGA CAB and my other sons has a 2013.5 2500 Ram Crew Cab. This truck by far is the most quiet truck I have ever been in. With the windows up and doing 65 to 70 MPH you do not even hear the engine. This truck is very quiet.
In our humble opinion there's is only one Diesel engine to own and that I the Cummins engine.
__________________
Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 145K+miles
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10-28-2017, 08:26 AM
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#15
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Senior Member
Join Date: Apr 2016
Location: Middle Ga
Posts: 426
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Quote:
Originally Posted by wildcatter
You will love the RAM, I have a 2014 3500 CC 8 foot bed with cummins, I have seen 24MPG on the highway (not towing), 15 to 16 in the city and 12mpg towing 12K. You will go thru a lot more DEF when towing.
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Same truck except 2500. I get slightly less mileage. Around 14 in city, and 11.5(ish) towing.
Haven't noticed any significant change in DEF usage when towing for me.
Echo the comments.. You will love the RAM.
Mike
__________________
TV = 2017 Ram 3500 (aka FRAM)
5er = SOB (2019 Grand Design Reflection 367BHS)
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10-28-2017, 08:32 AM
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#16
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Senior Member
Join Date: May 2017
Posts: 5,712
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Quote:
Originally Posted by Jim34RL
My two sons and I own 4 Dodge/RAM Cummins diesel between us. My one son has two a 1996 2500 Dodge Reg cab long bed, his second Dodge is a 2006 Crew Cab that is a show truck. My truck is a 2008,2500 MEGA CAB and my other sons has a 2013.5 2500 Ram Crew Cab. This truck by far is the most quiet truck I have ever been in. With the windows up and doing 65 to 70 MPH you do not even hear the engine. This truck is very quiet.
In our humble opinion there's is only one Diesel engine to own and that I the Cummins engine.
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Until you've owned a Duramax. 
We all love our trucks !!!
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10-28-2017, 08:34 AM
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#17
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Senior Member
Join Date: May 2017
Posts: 5,712
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I get DEF from Tractor Supply Co. or Walmart, whoever has the best price at the time.
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10-28-2017, 10:28 AM
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#18
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Senior Member
Join Date: Feb 2015
Location: Oswego il
Posts: 2,430
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Quote:
Originally Posted by TheWolfPaq82
Until you've owned a Duramax.
We all love our trucks !!! |
Never! My oldest son is part owner in a Diesel performance shop, his buddy has a DRW Duramax. This truck has had new turbos twice, fuel injectors complete set, new glow plugs, head gaskets and the usual 4X4 problems. The Cummins are still running strong and no glow plug issues.
I will take a medium duty Diesel engine straight 6 over a V8 engine any day.
__________________
Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67, TDR 145K+miles
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10-28-2017, 10:39 AM
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#19
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Senior Member
Join Date: Oct 2015
Posts: 364
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Quote:
Originally Posted by Jim34RL
Never! My oldest son is part owner in a Diesel performance shop, his buddy has a DRW Duramax. This truck has had new turbos twice, fuel injectors complete set, new glow plugs, head gaskets and the usual 4X4 problems. The Cummins are still running strong and no glow plug issues.
I will take a medium duty Diesel engine straight 6 over a V8 engine any day.
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Find me a dead Duramax and I'll find you a dead Cummins. Plenty out there.
Oh, good to see your engine brand found its way into a Nissan.... 
__________________
2017 Rockwood MiniLite 2506S
2022 F250 7.3/4.30
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10-28-2017, 10:39 AM
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#20
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Senior Member
Join Date: May 2017
Posts: 5,712
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Quote:
Originally Posted by Jim34RL
Never! My oldest son is part owner in a Diesel performance shop, his buddy has a DRW Duramax. This truck has had new turbos twice, fuel injectors complete set, new glow plugs, head gaskets and the usual 4X4 problems. The Cummins are still running strong and no glow plug issues.
I will take a medium duty Diesel engine straight 6 over a V8 engine any day.
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Neighbor....2004 Chev 2500HD Duramax. Just turned 213,000 miles or their return from 6000 mile vacation. Outside of normal wear and tear maintenance...he hasn't had any major problems. Now in my defense...co-worker just had his Cummin's replaced in his 2014 Ram....it blew up. So Pro's and Con's for all.
Ford, Chevy, GMC, Dodge...etc...you're gonna find some bad apples in the bushel.
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