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diesel mileage on tow vehicles #207304
01/28/09 11:00 PM
01/28/09 11:00 PM
Joined: Jul 2007
Posts: 69
W.Va
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fowl play Offline OP
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W.Va
thinking of getting another truckto tow the racecar with. good deals are out there on new, but can save a lot on good used ones. let me know about mileage on the 6.7 cummins verses the 5.9. i am wanting to replace my 95 3500 cummins . also other good or bad points of each . 07 or 08 with 6.7 or 05 or06 with 5.9 thanks

Re: diesel mileage on tow vehicles [Re: fowl play] #207305
01/28/09 11:06 PM
01/28/09 11:06 PM
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Posts: 34,830
S.E. South Dakota !
bigdad Offline
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bigdad  Offline
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S.E. South Dakota !
Drunk on Diesel..

towing 75-80 on the freeway, loaded 11-12 but, nothing passes me



The lips of fools bring them strife, and their mouths invite a beating.Proverbs 18:6
Re: diesel mileage on tow vehicles [Re: fowl play] #207306
01/29/09 12:34 AM
01/29/09 12:34 AM
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Bend,OR USA
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Cab_Burge Offline
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Bend,OR USA
My stock 2006 5.9 CTD 3500 4WD single wheel automatic gets 12 to 14 MPG at 65 to 75 MPH on the flats towing my 24 ft. Pace enclosed car trailer that weighs 8600 lbs with the car, the truck gets 10.5 to 12 MPG at 65 to 70 MPH with the cruise on in the mountains here in Oregon and northern CA and Nevada with the same trailer and load It pulls the same trailer way better than my 1998 1/2 24 valve CTD 2WD 2500 truck did


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: diesel mileage on tow vehicles [Re: Cab_Burge] #207307
01/29/09 12:47 AM
01/29/09 12:47 AM

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Anonymous
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Our 5.9 gets 14+ and pulls the 24' enclosed with a B body NSS car right down the pike...It does have a Edge performance chip that made a big difference..

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Re: diesel mileage on tow vehicles [Re: Cab_Burge] #207308
01/29/09 12:48 AM
01/29/09 12:48 AM
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N.E. Ohio
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KillerBee Offline
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N.E. Ohio
My truck is a stock 2004 Ram 2500 4x4 quadcab shortbed with HO diesel.
3.73 gears with 35" 315/70-17 tires.
Trailer is a heavy built 22' with 5000lb. axles.

Towing on fairly flat highway at 60-65mph with my Challenger inside the trailer my overhead MPG computer normally reads between 16-17 and has been as high as 18-19.
Higher speeds of 70 and over seem to drop the MPG quickly.
I bought the trailer last summer and have towed it only a few times but my truck tows it with ease.


Re: diesel mileage on tow vehicles [Re: KillerBee] #207309
01/29/09 01:29 AM
01/29/09 01:29 AM
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Posts: 3,456
Out West
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408strokerdart Offline
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Out West
'06 Ram Dually Diesel pulling 40' gooseneck with living quarters getting 14mpg stock and 17mpg with a super chip. Best mileage I have ever gotten with a truck. Gets 25-26 unloaded and the superchip was worth every bit of 4 mpg.

Re: diesel mileage on tow vehicles [Re: bigdad] #207310
01/29/09 09:01 AM
01/29/09 09:01 AM
Joined: Jan 2003
Posts: 850
Georgetown, TX
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sc4579 Offline
super stock
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Georgetown, TX
My 2007 dually with 6.7 Cummins and six speed automatic gets about 12-13 mpg pulling my 28 foot enclosed trailer loaded with my Dart Sport. If I get over 70 mph then the mpg drops to around 10-11 mph, but it never knows that the trailer is back there,


2023 Challenger Scat Pack 1320
2016 Jeep Renegade
Re: diesel mileage on tow vehicles [Re: sc4579] #207311
01/29/09 09:53 AM
01/29/09 09:53 AM
Joined: Jan 2004
Posts: 507
Illinois
Hurst390 Offline
mopar
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Illinois
my 93 5.9 gets as good as 18 pulling and open trailer...15-16 pulling an enclosed...the worst I ever got with it was 13-14 in the mountains....22 not pulling..


80 AMX Barry Allen 420 AMC Iron Heads Jerico 4-speed Advanced clutch 2950# street legal 5.97 115.73 Coles county dragway 10/28/07 9.42 142.96 best in 08(6.00 115.8 1/8) 5.97 116.2 in 09 http://www.youtube.com/watch?v=AXSr201-tmA
Re: diesel mileage on tow vehicles [Re: Hurst390] #207312
01/29/09 10:27 AM
01/29/09 10:27 AM
Joined: Jan 2003
Posts: 1,633
Jacksonville, NC
RonP Offline
top fuel
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Jacksonville, NC
My 2004 with 4.10 gears, 48re auto gets 11-13 pulling my loaded 28ft enclosed trailer and car going 70ish. if I turn the programmer down some I have gotten closer to 14 at the same speeds on some trip.

I have gotten as much as 16 towing the same car on an open trailer at those speeds.

As far as what is better you need to spend some time on the truck boards. it is kind of like the 8 3/4 vs dana or small block vs BB threads. Everybody has opinions and just like with most things in life, what "you" have is the best option in your opinion. Me personally, I am keeping this early 04 305 555 5.9 as long as I can.

good luck

Re: diesel mileage on tow vehicles [Re: RonP] #207313
01/29/09 11:37 AM
01/29/09 11:37 AM
Joined: May 2004
Posts: 2,864
IN
Irun5snd8th Offline
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WOW! My 07 6.7 4wd is terrible! I get 11.5 at 65Mph pulling my 28 footer. I have gotten almost 12 one time. If I go up to 75 its goes down to 10.
Do the chips really help fuel mileage on the Dodges? I put Edge on my 04 Powerstroke and I could have towed a train but it didn't help the mileage at all.

Last edited by Irun6snd8th; 01/29/09 12:34 PM.

AFCO, Rons Fuel Injection sponsored Dodge Challenger Mention Street Lethal Motorsports
Re: diesel mileage on tow vehicles [Re: RonP] #207314
01/29/09 12:04 PM
01/29/09 12:04 PM
Joined: Jul 2003
Posts: 977
Colorado
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506RR Offline
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Colorado
Quote:


As far as what is better you need to spend some time on the truck boards. it is kind of like the 8 3/4 vs dana or small block vs BB threads. Everybody has opinions and just like with most things in life, what "you" have is the best option in your opinion. Me personally, I am keeping this early 04 305 555 5.9 as long as I can.





I have an early 04 as well, and am very happy with it! I get about 18 mpg with normal everyday driving. If I am running empty I can get 19-20 mpg on the interstate running 70-75. Pulling my 38' enclosed I get around 11-13 mpg fully loaded. Although one time into a head wind I only got about 8.5 mpg running about 75 mph. I intend to keep this truck until the wheels fall off if I can! This is all hand calculated fuel mileage, as my trip computer seems to be about 3 mpg on the high side everytime I check it.

Re: diesel mileage on tow vehicles [Re: 506RR] #207315
01/29/09 01:00 PM
01/29/09 01:00 PM
Joined: Aug 2003
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Bend,OR USA
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Cab_Burge Offline
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Quote:

Quote:


This is all hand calculated fuel mileage, as my trip computer seems to be about 3 mpg on the high side everytime I check it.


Caution to all of those beleiving the overhead fuel mileage marketing device, they lie Mine says a lot higher than the actual fuel that goes into the tank and the math for the mileage between fill ups


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: diesel mileage on tow vehicles [Re: Cab_Burge] #207316
01/29/09 01:04 PM
01/29/09 01:04 PM
Joined: Jan 2003
Posts: 1,633
Jacksonville, NC
RonP Offline
top fuel
RonP  Offline
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Posts: 1,633
Jacksonville, NC
Quote:

Quote:

Quote:


This is all hand calculated fuel mileage, as my trip computer seems to be about 3 mpg on the high side everytime I check it.


Caution to all of those beleiving the overhead fuel mileage marketing device, they lie Mine says a lot higher than the actual fuel that goes into the tank and the math for the mileage between fill ups




very true and in my opinion (unless you spend many many many minutes) to get an accurate hand calculated reading is install the famous vent kit. When I fill up (when I want to track mileage) I fill it until there is clear fuel (not foam) clear to the top of the filler neck. That way I know my numbers are fairly accurate.

Re: diesel mileage on tow vehicles [Re: fowl play] #207317
01/29/09 01:14 PM
01/29/09 01:14 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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Romeo MI
2 major things affect your mileage once your on the xway....
the big wall your pulling and the RPM you are turning....
HP takes fuel. I run a old 95 TCD with 2wd dually,
haul a 43' enclosed and get 18 MPG, but I dont have
the power you guys with the 6.7. Most of my hauling
is some what level, no big hills around here

Re: diesel mileage on tow vehicles [Re: RonP] #207318
01/29/09 01:21 PM
01/29/09 01:21 PM
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Posts: 3,456
Out West
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408strokerdart Offline
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Out West
Quote:

Quote:

Quote:

Quote:


This is all hand calculated fuel mileage, as my trip computer seems to be about 3 mpg on the high side everytime I check it.


Caution to all of those beleiving the overhead fuel mileage marketing device, they lie Mine says a lot higher than the actual fuel that goes into the tank and the math for the mileage between fill ups




very true and in my opinion (unless you spend many many many minutes) to get an accurate hand calculated reading is install the famous vent kit. When I fill up (when I want to track mileage) I fill it until there is clear fuel (not foam) clear to the top of the filler neck. That way I know my numbers are fairly accurate.




I agree with this statement when checking the mileage by hand calc. My oferhead trip computer normally reads 27-28 and it has proven itself to be about 1-2 over actual most times.

I was very surprised at the increase in mileage that I got with the chip. My only mistake is that I waited 'till about 10k miles to get one. My next one will have a chip in it the first week I own it.

Re: diesel mileage on tow vehicles [Re: 408strokerdart] #207319
01/29/09 01:24 PM
01/29/09 01:24 PM
Joined: May 2004
Posts: 2,864
IN
Irun5snd8th Offline
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Which chip are you using?


AFCO, Rons Fuel Injection sponsored Dodge Challenger Mention Street Lethal Motorsports
Re: diesel mileage on tow vehicles [Re: 408strokerdart] #207320
01/29/09 01:26 PM
01/29/09 01:26 PM
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N.E. Ohio
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KillerBee Offline
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Quote:


I was very surprised at the increase in mileage that I got with the chip. My only mistake is that I waited 'till about 10k miles to get one. My next one will have a chip in it the first week I own it.




Are you keeping an eye on your truck's EGT's towing with the Superchips programmer?

Re: diesel mileage on tow vehicles [Re: KillerBee] #207321
01/29/09 01:34 PM
01/29/09 01:34 PM
Joined: Jan 2003
Posts: 6,314
The Swamp
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The Swamp
my pusher gets 10mpg whether it is towing or not

4983114-DSCN1254.JPG (46 downloads)
Re: diesel mileage on tow vehicles [Re: RonP] #207322
01/29/09 01:51 PM
01/29/09 01:51 PM
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Kelowna, B.C. Canada
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DPelletier Offline
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Quote:

Me personally, I am keeping this early 04 305 555 5.9 as long as I can.

good luck




Funny, you'd say that; As you can see from my sig I have an '03 305/555, and '04.5 325/600, an '06 325/610 and an '08 6.7l and out of all of them, I like the 305/555 the best.

They are ALL good trucks and way better than the brand X's and Y's diesels that I've owned or still own.

The 305/555 is the last of the no-post injection event, no catalytic converter motors. Now keeping in mind that every one of my trucks is slightly different (different drivers, tires, accessories, etc.) so direct and exact comparisons are impossible, but my feeling is that the '03 gets about 1-2 mpg better than the '04 or '06 and 2-3 bettern than the 6.7. I also didn't care for the plastic intercooler tanks they used for awhile on the 325 motors and I feel the NV5600 is a better tranny than the later G56.

I've been running a smarty CaTCHER on the '03 for the last year (c/w gauges, of course) and couldn't be happier. Minor complaints are smoke on the higher settings and you need to watch the EGT gauge when towing heavy.

http://www.madselectronics.com/

Dave


1970 Super Bee 440 Six Pack 1974 'Cuda 2008 Ram 3500 Diesel 2006 Ram 3500 Diesel 2004.5 Ram 2500 Diesel 2003 Ram 3500 Diesel 2006 Durango Limited [url] http://1970superbee.piczo.com [/url]
Re: diesel mileage on tow vehicles [Re: DPelletier] #207323
01/29/09 02:16 PM
01/29/09 02:16 PM
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N.E. Ohio
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KillerBee Offline
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Quote:

Quote:

Me personally, I am keeping this early 04 305 555 5.9 as long as I can.

good luck




Funny, you'd say that; As you can see from my sig I have an '03 305/555, and '04.5 325/600, an '06 325/610 and an '08 6.7l and out of all of them, I like the 305/555 the best.

They are ALL good trucks and way better than the brand X's and Y's diesels that I've owned or still own.

The 305/555 is the last of the no-post injection event, no catalytic converter motors. Now keeping in mind that every one of my trucks is slightly different (different drivers, tires, accessories, etc.) so direct and exact comparisons are impossible, but my feeling is that the '03 gets about 1-2 mpg better than the '04 or '06 and 2-3 bettern than the 6.7. I also didn't care for the plastic intercooler tanks they used for awhile on the 325 motors and I feel the NV5600 is a better tranny than the later G56.

I've been running a smarty CaTCHER on the '03 for the last year (c/w gauges, of course) and couldn't be happier. Minor complaints are smoke on the higher settings and you need to watch the EGT gauge when towing heavy.

http://www.madselectronics.com/

Dave



Your reasons are exactly why I specifically bought an early 2004 305/555 HO diesel Ram.
Remember, when you list the MPG comparisons of your trucks the 04 you mention is actually an 04.5 model which has the emissions, cat converter, and extra injection event.
My early 2004 has no cats, no emission hassles, no post injection event, and better mpg than the 2004.5 and later trucks.
Personally I like the looks and feel of the steering wheel in my 2004 better than the 2003 trucks.
I have a co-worker with a similar 2005 diesel Ram as mine. My truck ALWAYS gets better mpg than his.

My truck is all stock and has 110k trouble free miles on it.
It is my daily driver and I treat it like one of my classic Mopars.(It sure cost as much!)
It runs and drives like a brand new vehicle and I love driving it.
It still has it's original batteries, transmission, and believe it or not the original ball joints are still in good shape(I do plan to rebuilt the front end this spring just to be safe). I am VERY satisified with it.

With falling prices I have been tempted to buy a newer Diesel Ram truck but after seeing first hand the trouble some are having with carbon build up issues and poor power and MPG with the newer 6.7 diesel Rams I'll just stick with my 04, plus it's paid off.
I think the 2003 and early 2004 diesel Ram are the best, most fuel efficient quadcab Ram trucks Dodge ever built.
I have done research on the various programmers available but I've resisted the urge to install one as I don't need it to be a race truck, but the thought of even better MPG has my interest. I'm just leary of tearing up a tranny or cooking a turbo.
I also intend to drive mine until the wheels fall off.

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