6.4 vs 6.7

[cdhd2001]

Hand calculated my 2003 Dmax got 16 solo and 8-9 towing.

My 2007 5.9 Cummins was 17 and 8-9.

My 2008 6.7 Cummins was 14-15 and 7-8.

My dad's 2012 drw 6.7 Cummins was 11-12 and 6-7.

My 6.4 is 14-15 and 7-8.

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[CabinDweller]

Is that hand calculated or Lie-ometer mileage?

I hand calculated it one time and it was pretty darn close (within 1 mpg). I've never done it by hand again. My highway commute to work is pretty flat and a mixture of 55mph and 65mph speed limits.

 

[SouthTexan]

The cummins is a towing powerhouse. That's about it.

I know I am digging up an old post here, but this is farce. There is much more to it than just a "towing powerhouse". There is engine longevity, fuel mileage when towing, fuel mileage when not towing, and an engine brake just to name a few things about it.

However after considering I do not tow right now,

Then why would you get a 2500? Same reason one might get a 6.7L perhaps? Because they just want one.

I took a pass on the diesel and went with a 6.4L.

That is perfectly fine and you are entitled to get the best engine that suits you. However, you are chastising others for their engine choice or what they think is best for them.

Unless you need the diesel to tow a lot and far Id pass

I don't really need the diesel and don't tow a whole lot to warrant one, but I still went with it because I wanted it. It is the same as how you don't tow at all yet you bought a 2500 6.4L because you wanted it. A Ram 2500 5.7L or even Ram 1500 5.7L would have suited your needs fine, but you wanted a 2500 6.4L so you got it. Same for me and others who get what they want, so why are you telling others that they should get a diesel only if they need it when you don't even need your truck choice?


I don't mean to come off as an anus, but this post kind of rubbed me the wrong way. It is almost as if you are trying to justify your engine choice by putting down other peoples engine choices. You picked the engine you chose for your reasons, no need to down other people's choices just because you feel the need to reassure yourself about yours.

 

[TWILLIAMS9]

In other posts I posted about stepping up to a 2500 because of the straight axle and knowing full well I wanted to lift my truck and take it off roading. I did not buy a 1500 because of the ifs. I am all for if you want something then just get it. If you want to DD a semi then do it. Whatever makes you happy go for it. I personally chose to save the money but that is my own choice. If you want a diesel get it. We all have personal opinions and choices but I'll be damned if I let others affect mine.


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[SouthTexan]

If you want to DD a semi then do it. Whatever makes you happy go for it.

There you go again putting down other peoples choices. Why do you have to say I DD a semi? I don't DD a semi and you know it yet you have to make that little comment to down other peoples choice just to justify your own. I am not downing your 6.4L. I can say "If you want to daily drive a lifted pavement queen that poses as an off roader then do it. What ever makes you happy go for it."

I wanted to lift my truck and take it off roading.

Sorry, but you wanted a lift for the looks of it, not for off roading. You don't need a lift and 20's to get you anywhere you are willing to take a 40k+ truck off road. In all actuality a lift as high as you got yours with 20's actually make your off road ability worse. To many people say they lift their trucks for off road when they really just do it for looks because if they really did go off road then they would know their lift is useless off road. I am not chastising them for wanting their truck to have a certain look, but at least call it for what it actually is and not what it ain't because to say you lifted your 40k truck to go off road sounds idiotic to real off roaders. Come to places with my off road club like Moab or King of the Hammers and you will probably walk away with a different outlook on what an off road vehicle really is and why 20's are useless in real off road.

Besides, if you wanted to really go off road in a 2500 then a Power Wagon would have been a better choice as a real off roader instead of a regular truck just posing as one. Just plain stock without a lift, a Power Wagon will go places a regular 2500 with a 6 inch lift could only dream of.

I personally chose to save the money but that is my own choice.

I personally chose to spend the money because I got it to spend, but that is my own choice.

 

[TWILLIAMS9]

Why are you taking everything as if I'm saying to you? I'm talking in general if someone wants to DD a semi they can do it. I'm not putting down anyone. And as far as your comment about my "pavement queen", it's my truck and I will do with it as I please. When did having so much money come into this conversation, talking about "I chose to spend it cause I have it" haha dude get over yourself. Your only making yourself look like an ass. I don't think anyone around here cares what you can "afford".


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[Statcher1]

There you go again putting down other peoples choices. Why do you have to say I DD a semi? I don't DD a semi and you know it yet you have to make that little comment to down other peoples choice just to justify your own. I am not downing your 6.4L. I can say "If you want to daily drive a lifted pavement queen that poses as an off roader then do it. What ever makes you happy go for it."




Sorry, but you wanted a lift for the looks of it, not for off roading. You don't need a lift and 20's to get you anywhere you are willing to take a 40k+ truck off road. In all actuality a lift as high as you got yours with 20's actually make your off road ability worse. To many people say they lift their trucks for off road when they really just do it for looks because if they really did go off road then they would know their lift is useless off road. I am not chastising them for wanting their truck to have a certain look, but at least call it for what it actually is and not what it ain't because to say you lifted your 40k truck to go off road sounds idiotic to real off roaders. Come to places with my off road club like Moab or King of the Hammers and you will probably walk away with a different outlook on what an off road vehicle really is and why 20's are useless in real off road.

Besides, if you wanted to really go off road in a 2500 then a Power Wagon would have been a better choice as a real off roader instead of a regular truck just posing as one. Just plain stock without a lift, a Power Wagon will go places a regular 2500 with a 6 inch lift could only dream of.






I personally chose to spend the money because I got it to spend, but that is my own choice.

Dang man. Chill out. Sounds to me like your needing a nerve pill or two


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[SouthTexan]

Why are you taking everything as if I'm saying to you? I'm talking in general if someone wants to DD a semi they can do it.

Really, so who was the "you" that you were referring to when you said this comment ....

If you want to DD a semi then do it.

......that you purposely stated as a derogatory statement?

And as far as your comment about my "pavement queen", it's my truck and I will do with it as I please.

Did you read what I said? I was referring to you purposely making a derogatory statement that those with diesels trucks are driving "semi's" is no different than me making a derogatory statement that lifted trucks are "pavement queens".

When did having so much money come into this conversation, talking about "I chose to spend it cause I have it"

Again, read what was stated. I quoted you where you stated "I personally chose to save the money" when referring to not buying a diesel. I just followed up in saying I personally chose to spend the money since I had it. No where did I state or bring up how much money each of us have in this debate like you are referring to.



Look all I am saying is that you don't have to bash or make derogatory statements towards other people's choices just so you can feel better about or justify your own choices. If you didn't want a diesel then fine, but no need to give a man a lecture on how bad you think his engine is just because he said he believes it is the best. Afterall, don't you believe the Hemi 6.4L is best for you? So why the long spiel to him just for thinking his engine choice us the best for him?

You saying this......

The cummins is a towing powerhouse. That's about it. With all the EPA garbage they hooked up to these trucks and considering how expensive it is to repair outside the warranty period it may not be to your benefit. I wanted a diesel, that fact that there was 800ft/lb tq really tickled me pink. However after considering I do not tow right now, my commute to work is only 7 miles, the new emission crap they put on, and the controversial torque managment, I took a pass on the diesel and went with a 6.4L. Unless you need the diesel to tow a lot and far Id pass, atleast until they get this emissions stuff figured out. Cost of maintenance, fuel, it adds up for about an average of 2 mpg better than the 6.4l. Hopefully in a few years they will get the emissions figured out because then I will have something to tow and need the diesel.

....is no different than me saying this.....

The 6.4L Hemi is a high reving go fast unloaded powerhouse. That's about it. With all the MDS garbage they hooked up to these trucks and considering how little the lifespan a gas engines has compared to diesels it may not be to your benefit. I wanted a Hemi , the fact that there was 411hp really tickled me pink. However after considering that I do need to tow right now, my commute to work is 25 miles, the new MDS crap they put on, and the controversial power lag at higher altitudes or going up hills towing heavy , I took a pass on the Hemi and went with a 6.7L Cummins. Unless you don't tow at all or even just short distances I'd pass on the Hemi 6.4L, atleast until they get this MDS stuff figured out. Cost of more frequent maintenance, fuel, it adds up for about an average of 2 mpg worse than the Cummins 6.7L. Hopefully in a few years they will get the MDS figured out because then I will not have something to tow and would not need the diesel.

(Just to be clear I am using the above as an example. I think what I just stated above about the 6.4L is BS just as much I think what you stated about the 6.7L is BS)


There is no need for me to bash your engine choice just to justify mine the same as there is no need for you to bash other people's engine choice just to justify yours. This is all I was referring to in my initial response.

 

[TWILLIAMS9]

Hahahaha this is ridiculous. Have a good day sir. This conversation is over.


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[6.4 dude]

ass clown.....

 

[SouthTexan]

Hahahaha this is ridiculous.

Ironically that is the same response I had when I read your first post about the 6.7L.

Have a good day sir.

And to you as well, Sir.



BTW, just to be clear and in case you did not get what I did in my last post, what I said about the 6.4L was just to show you how I can take the exact words you said to bash the 6.7L and turn right around and put the 6.4L in its place so you can see how much BS your comment was. I personally do not think the 6.4L is a bad engine at all and I think everything I said in that example is just as much BS as what you said about the 6.7L. Both engines are great engines in their own right and neither need to be bashed just to justify getting one over the other.

 

[loveracing1988]

Ironically that is the same response I had when I read your first post about the 6.7L.




And to you as well, Sir.



BTW, just to be clear and in case you did not get what I did in my last post, what I said about the 6.4L was just to show you how I can take the exact words you said to bash the 6.7L and turn right around and put the 6.4L in its place so you can see how much BS your comment was. I personally do not think the 6.4L is a bad engine at all and I think everything I said in that example is just as much BS as what you said about the 6.7L. Both engines are great engines in their own right and neither need to be bashed just to justify getting one over the other.

Actually no, he has a valid point about the dpf problems and urea injection problems with the 6.7. You on the other hand chose to go after something that can be disabled with a $400 tuner or disabled by going into a manual shift mode. To get rid of the dpf on the new Cummins is thousands of dollars.

 

[SouthTexan]

Actually no, he has a valid point about the dpf problems and urea injection problems with the 6.7. You on the other hand chose to go after something that can be disabled with a $400 tuner or disabled by going into a manual shift mode. To get rid of the dpf on the new Cummins is thousands of dollars.

I guess you missed where I said I was just using it as an example to show him how much BS both comments were. It seems you 6.4L guys like to bash others engines, but get a little defensive when it is the 6.4L even when it was done as example using the same wording as someone else did to bash other engines.


As an ex employee of Cummins and currently working at a Class 8 dealership with a fleet of Ram 5500 Cummins and Ford F550 service trucks, I have yet see all the problems with DPF and SCR that you are speaking of. There were issues when DPF first came out in 2007, but most issues got ironed out a few short years later. There were never any SCR(DEF) problems and using DEF actually aides the DPF system quite a bit making it not have to regen nearly as much. Knowing what I know about the DPF and SCR system, I am not afraid of it nor do I think it is a bad thing.

There are a lot of ignorant people who think these DPF and SCR systems are mainly for emission to protect the ozone or the environment. While these systems are for emissions, they are more for emissions to protect public health than anything. It is gasoline engines that are the ozone killers and can kill you relatively quickly when exposed to it in mass quantities of gasoline exhaust(ie engine on with garage door shut).

Diesels on the other hand emit a lot less ozone killing gasses, and will not kill you quickly like gasoline exhaust will when exposed to mass quantities. However, diesels emit particulate matter that is known to be carcinogenic (even higher than cigarettes) to the respiratory system. This is why DPF's and SCR's are put on diesel engines, and is why I don't mind them on my truck. I am knowledgeable about the systems and their purpose which is why I am not ignorantly leary of them especially when it makes my diesel run cleaner and with less cancer causing particulates than a gas engine.

Every now and then I have to teach this to a "rolling coal" numbtard who thinks DPFs and SCR's are put on trucks because because of tree huggers. I also have to explain to them that actual coal miners love DPF systems on their underground diesels because it means they will have a much less risk of lung cancer in their retirement years. These DPF systems will also mean billions of tax dollars less going to lung cancer treatment for those with medicaid along with less health insurance cost.

So the next time you see someone with a deleted DPF and SCR thank them for raising your taxes, raising the cost of your health insurance, and giving you a higher chance of getting lung cancer just so he can be in the cool club and "roll coal".

In short, I don't have any issues with the DPF and SCR systems on my truck. I still have more power, better fuel economy, and running cleaner for my family and my health than the gasoline counterpart. Although, I still have not seen a lot of issues with these DPF/SCR systems like you were referring to on current diesels.

 

[Ratket]

who's got a link to the online butt hurt form?

 

[SouthTexan]

who's got a link to the online butt hurt form?

 

[6.4 dude]

The op wanted OPINIONS and people posted, giving them. I personally don't give a **** about def/ emissions issues. I wouldn't have a diesel truck stuck up my ass if I had room for a 747. I'm not paying the up charge for the cummins period. It's not worth it to me. I to could "afford it" but chose not to. Everyone that bought the 6.4 has they're own reason for purchasing it and they have every right to state why, that's the point of having a forum.

I pull anywhere from 4k to 16k and I'm more than happy w my decision to go gas. $ 1.80 a gallon just re enforces it.

 

[TWILLIAMS9]

Let's just stop feeding the troll.

 

[SouthTexan]

So let me get this straight....


If you make a post that is positive about the 6.7L while not saying one thing negative about the 6.4L then you get flamed with a rebuttal of negatives about the 6.7L.


If you post a rebuttal to a poster that just said something positive about the 6.7L with nothing but negatives about the 6.7L and why you think the 6.4L is better then you get praised.


If you rebut the negative comments made about the 6.7L saying that both engines are good for their intended purpose and do not need to bash either then you are a butt hurt troll. Huh?



So is this just a "Lets all agree that the 6.4L is the best and flame anyone who disagrees" thread?


I wonder what would happen if someone started talking negatively about the 6.4L and really meant it?
You would probably have a lot of butt hurt people with an inferiority complex in here.

 

[cc rider]

I know this is an older post, but im in the same dilemma. I really dont care what i have , I just want whats better for me. I think the gas sounds much cooler than the diesel. I am looking at a 5er that will be roughly 12k give or take a few thousand pounds (probably give). I will at most tow it 3 or 4 times a month during the camping season. I will use it as a DD and my job is only 5 miles away. I think living up north is a disadvantage to owning a diesel too cause of the engine not staying as warm as well as the gas. That is why ram sells those cold weather groups right?. I dont care about fuel prices. What bothers me is high maintenance costs. Everyone mentions all the cel lights and emissions crap. I dont mind that it uses so much oil if i can change it myself. Is it as easy as a gasser (drain and fill)? If I was to get the 6.4 , I would definitely get the 4.10. Not only cause of the added tow capacity, but also cause of all the gearing ratio complaints. You know, the ike gauntlet and towing heavy weights. People saying its in too high of a gear in first. Im sure you guys know what Im talking about. I have read more "complaints" then praise about the 6.4 (when towing heavy weights). If its not towing heavy, its fine.This might be from mostly 3.73 owners, I dont know. But, its kind of scaring me. I know the cummins is proven . I just dont think i tow enough to "need" it. Its coming down to where i might be getting a new truck and idk what to do. I dont think i could afford the cummins unless i went down in trim to a tradesman anyway. I would like to stay in the bighorn/laramie range.

Been doing a lot of research. Can't decide which. I feel like the 6.7 would be best for hauling but the gas would be better all around town and when not towing a trailer. I love the sounds of diesels but u can't delete it so it'll be quite
Whcoh do u have
And why'd u chose it


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[granite14]

cc rider,

I drive 6 miles to work, but not in super cold temps, it gets coldest 30 degrees in Oregon. I tow 8K over the mountain passes with no problem 3.73.
I had a diesel 2006 Duramax, and I don't really miss it now. At first I did, but the daily driver aspects of the Ram really outweigh the minor towing advantage of the diesel for me. The Ram does the job just fine. I know the cold temps originally from north central US, and nobody drives diesels up there.

All the complaints of gearing and specs... I will tell you, after a year of ownership, I've not once towed the max over the guantlet, nor even timed a 0-60 or quarter mile. I have towed 12 times last year and never had an issue with the camper.

If I was in the cold cold during the winter, no question I would go gas.

All of the forum analysis. I don't think many people that like their trucks tend to go sing its praises all the time. Its much more interesting to analyze and complain.

I just bought the lifetime warranty, I'm that satisfied that this truck will meet my needs, even if I go a few K more heavier with a different camper.

Oh yeah, I got a bighorn and my wife hated the tradesman Cummins for our family trips (we test drove), but also likes the bighorn trim.