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2013+ General Discussion General Chit Chat About the 2013 model year differences 6.7L 4th generation Cummins - NO ADVERTISING

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Old 04-09-2012, 11:49 AM   #1 (permalink)
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Why 2013

Ok I am a little confused about the DFP and urea deal on diesels since I have never owned one. If you use urea still with DFP as I understand is the exhaust still recirculated back through the engine?

If so why or what would be the benefit of having a 2013 over 2012 model?

I know the horsepower is supposed to go up but 40hp isnt alot. Wondering if you will even notice it. Urea is supposed to be added.

I pull a load alot. 20k almost three days a week. The dodge seems to be the choice so I have experienced with less breakdowns. The dmax just cannot handle the grind day in and day out without sounding like its going to blow and running warm. The ford i am scared to death of with all the egr, software, water in fuel crap that is going on. On any forum it seems to be just dumb stuff wrong with a few dodge brands nothing really major.

Another question i have is I know urea is supposed to make better fuel economy. With the cost of urea and the rebates I will get on a 12 model there is no way that will be overcome this year with a 13 model. Or I dont think it can anyway. There is alot of fuel I can buy with that.

I guess just wondering if its worth being a guinnea pig for the 13 truck or stick with 12 that I know will work. or should. I have a 10 now is why I say that, which I am keeping.
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Old 04-09-2012, 11:53 AM   #2 (permalink)
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i would love for my 2012 to have urea. the urea allows you to use less agressive egr which reduced the amount of soot thru the motor which allows you to go further between regens.

they have been using the urea on the cab and chassis for a few years and i feel that they have addressed and corrected the issues so hopefully itll be a seamless intigration

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Old 04-09-2012, 03:01 PM   #3 (permalink)
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does the Regen cycle really take that much diesel?

A quick Google search on it, shows some of the powerjoke boys get 20+ mpg's on there trucks with it. I thought it was purely for emissions, I'm having trouble seeing how it improves mileage, except if the Regen cycle literally dumps diesel into the system and now you are skipping that step.
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Old 04-09-2012, 03:15 PM   #4 (permalink)
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Quote:
Originally Posted by BubbaDuss View Post
does the Regen cycle really take that much diesel?

A quick Google search on it, shows some of the powerjoke boys get 20+ mpg's on there trucks with it. I thought it was purely for emissions, I'm having trouble seeing how it improves mileage, except if the Regen cycle literally dumps diesel into the system and now you are skipping that step.
There's guys on this site claiming they get 20 mpg on their trucks too. I know one of the moderators on the Powerstroke website and he gets 18 mpg on the highway with his 2011 F350. I averaged 18 mpg driving empty from Salt Lake City to San Diego and back on my truck (with a tonneau cover).

I personally don't want to deal with a urea system on my truck. One more thing to do and to go wrong. I go on the Powerstroke website just to see how the Ford 6.7 is doing. It may be me but it seems like the new Ford trucks are starting to see problems with the engines and trannys.

I'll stick my stock Cummins and drive it for years to come.
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Old 04-09-2012, 03:57 PM   #5 (permalink)
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I'm on my stock 5.9 still and it has never once given me a headache I couldn't fix in an hour at most. I love how simple it is.

My uncle always used to tell me, "the less you have, the less that can go wrong." but I'm still looking to learn why there is an MPG factor with urea.
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Old 04-09-2012, 04:17 PM   #6 (permalink)
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The regen causes a late 4th injection event that basically pumps fuel through the exhaust to burn off the dpf...

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Old 04-09-2012, 05:32 PM   #7 (permalink)
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I personally couldnt tell you when it regens and i have two of them with DPF.

I dont know if its because they run so hard its burning hot alot or what.
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Old 04-09-2012, 07:13 PM   #8 (permalink)
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I personally couldnt tell you when it regens and i have two of them with DPF.

I dont know if its because they run so hard its burning hot alot or what.
Do you run the hell out of em? If you do, you're doing passive regens that don't inject fuel in...

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Old 04-10-2012, 07:42 AM   #9 (permalink)
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I guess you could say that i do run the hell out of it. Most trips on big road i rarely drive under 70. Sometimes 85. Just depends.

Last week 340 miles in 5 hours with a loaded trailer. I was ready to get home. Not all of that was big road.100 miles or better was 2 lane.
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Old 04-10-2012, 03:20 PM   #10 (permalink)
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Drove all three diesel makes today at one dealership. All 2012 models. Have to say I liked the Dodge better. Ford is nice and would be my second choice and GM last but the GM did drive better/ride better than the other two. Pretty quick off the line. Would outrun the ford on top end but ford spin the tires from dead stop for 2 feet. Just didnt like the soft tranny shifts. GM is out of the question since I have owned 5 of them in the past.

The dodge laramie has way more standard features than the other two. Even king ranch doesnt have an easy tilt wheel manuver like dodge or gm. I tilt mine alot getting in and out sometimes. I did like it telescoping though. The pedals also go back further on the ford than dodge. GM didnt have it. Leather quality was basically same in all three except king ranch which i didnt like as good as the lariat. Lariat was more soft seating not as firm. Overall the dodge still won out. Radio and other conv features are better integrated than the other two. I can keep my ipod in the dash rather than have a cord visible for everyone to see. Unless you upgrade to the touch screen on both of the other two. The GM with touch screen wasnt any better than the dodge 730.

Down side to the dodge was the height. Only negative thing I can come up with. Rides more stiff I guess but that about it.
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