Re: CTD crappy mpg
[Re: Rhinodart]
#1907191
09/05/15 11:17 PM
09/05/15 11:17 PM
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Joined: Mar 2006
Posts: 1,412 northeast ohio
hulmule
pro stock
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pro stock
Joined: Mar 2006
Posts: 1,412
northeast ohio
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sometimes EGR sticks and get bad mileage
1969 Dodge Coronet R/T Convertible 1979 LiL Red x2 2012 Yellow Jacket 2006 mega cab 1977 Trailduster 1979 Trailduster
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Re: CTD crappy mpg
[Re: 4spd69gtx]
#1907279
09/06/15 02:25 AM
09/06/15 02:25 AM
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Joined: Dec 2010
Posts: 1,035 Missouri U.S.A.
71yelladustr
super stock
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super stock
Joined: Dec 2010
Posts: 1,035
Missouri U.S.A.
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What tire are you running? A larger aftermarket tire with higher rolling resistance will hurt fuel economy. If you are running taller tire, has the pinion factor been changed to correct the speedometer and odometer? This will make your mileage calculations be off. Do you have aftermarket steel bumpers? fuel tank in the bed? Brakes dragging? Worn front end components causing alignment issues? Air and fuel filter clean? All these things will have a negative effect on fuel economy. My $0.02.
392 gen III hemi on E-85 727 trans Dana 60 10.02@134
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Re: CTD crappy mpg
[Re: 4spd69gtx]
#1907322
09/06/15 09:16 AM
09/06/15 09:16 AM
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Joined: Dec 2014
Posts: 5,924 ohio
ruderunner
master
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master
Joined: Dec 2014
Posts: 5,924
ohio
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Comparing mileage figure when towing is pointless. We need a baseline of driving the truck unloaded, preferably a nice long freeway trip, to get any sort of baseline.
For example, my wifes 2011 1500 will get anywhere from 6 to 20 mpg depending on use. Avg daily driving nets 16. My 92 Cummins avg 18, my 77 Wagoneer avg10
Angry white pureblood male
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Re: CTD crappy mpg
[Re: 4spd69gtx]
#1907598
09/06/15 07:58 PM
09/06/15 07:58 PM
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Joined: Jan 2005
Posts: 12,423 Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,423
Kalispell Mt.
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Been my experience most guys pad their real MPG 3-5 mpg to justify the expense of owning a miniture big rig. An 06 is a bad one for MPG as it is a very heavy truck with a 24 valve that never seemed to do as good as the 12V it replaced anyhow. Some chips can help significantly, otherwise, Check your boost, and fuel system out if you don't find anything than enjoy the truth.
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: CTD crappy mpg
[Re: HotRodDave]
#1907746
09/06/15 11:36 PM
09/06/15 11:36 PM
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Joined: Feb 2003
Posts: 21,318 Manitoba, Canada
DaytonaTurbo
Too Many Posts
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Too Many Posts
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
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Been my experience most guys pad their real MPG 3-5 mpg to justify the expense of owning a miniture big rig. While I would tend to agree, the 10mpg he's reporting is bad. However like suggested, we need to know your mpg after a relatively long highway run. Fill-to-fill calculated by hand, not using the overhead console for mpg and report know your speed. FWIW, while at a 55-60mph cruise, my 99 24v long box 4x4 quad cab got 18 according to the overhead console, which I never verified by hand in the time I owned the truck. My buddy has an 04 24v crew cab 4x4 and his would show the same mpg at the same speed as mine. I know in winter, the overhead console would struggle to hit double digit mpg during town driving. I don't put a lot of stock in those reported numbers but it is something to watch for consistency if anything.
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Re: CTD crappy mpg
[Re: BlwnCrcab]
#1908518
09/08/15 09:57 AM
09/08/15 09:57 AM
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Joined: Dec 2003
Posts: 22,717 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,717
Bitopia
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My 2500 Auto 06 Mega cab highway driving would avg 22-24mpg under 65mph, milking it I get 31 mpg, pulling a 28' trailer at 65mph, dropped to 17-18 mpg. OP's mileage sucks.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: CTD crappy mpg
[Re: DaytonaTurbo]
#1924630
10/03/15 12:52 AM
10/03/15 12:52 AM
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Joined: May 2003
Posts: 6,569 Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,569
Downtown Roebuck Ont
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Been my experience most guys pad their real MPG 3-5 mpg to justify the expense of owning a miniture big rig. While I would tend to agree, the 10mpg he's reporting is bad. However like suggested, we need to know your mpg after a relatively long highway run. Fill-to-fill calculated by hand, not using the overhead console for mpg and report know your speed. FWIW, while at a 55-60mph cruise, my 99 24v long box 4x4 quad cab got 18 according to the overhead console, which I never verified by hand in the time I owned the truck. My buddy has an 04 24v crew cab 4x4 and his would show the same mpg at the same speed as mine. I know in winter, the overhead console would struggle to hit double digit mpg during town driving. I don't put a lot of stock in those reported numbers but it is something to watch for consistency if anything. I have the twin to your truck and it gets similar numbers. 350,000 KM 4x4 47RE and 3.54 gears and 265/75/16 tires. I bought it this summer in Sask and drove it to Ontario which is 1800 miles give or take. The overhead was showing 18-18.5 tank to tank average 70-75 MPH and I verified it by hand. Mixed driving it does 17 and some tenths. I thought it might be maybe a mile or two light but I haven't run the valves on it yet and that can adversely affect mileage on a diesel. Kevin
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Re: CTD crappy mpg
[Re: Twostick]
#1925291
10/04/15 12:15 AM
10/04/15 12:15 AM
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Joined: Dec 2013
Posts: 4,700 Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,700
Wichita
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Update on mine. Drove it 366 miles round trip yesterday unloaded and it averaged 22mpg on the highway.
We towed a similar distance with an open car trailer and a car loaded both ways and averaged 17mpg.
We were in the Flint Hills towing back and it never even down shifted out of 6th on the steepest hill!
'63 Dodge 330 11.19 @ 121 mph Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs. 10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: CTD crappy mpg
[Re: 4spd69gtx]
#1929419
10/10/15 01:47 AM
10/10/15 01:47 AM
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Joined: Aug 2003
Posts: 43,284 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,284
Bend,OR USA
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My 2006 Ram 3500 crewcab L.B. 4 WHD gets around 14.5 in town, 17.5 to 21.5 on the hiway depending on traffic and hills. It has got a best of 14.5 towing my 24 Ft enclosed Pace car trailer weighing between 8600 to 9100 lbs on the axles to the worst of 8.5 MPG towing my 34 Ft Fifth wheel travel trailer that weighs right at 11,500 on the axles against a strong headwind comng back from eastern OR at 65 MPH. It has 3.73 gears and stock size tires IHTHs. My old 1998 3/4 ton CTD 24 valve 2 whd drive got similar mileage also towing the same race car trailer with 3:55 gears and shorter tires. It had a programmer after the first 50,000 miles, I ran it in economy tow mostly I have passed a lot of other brand trucks towing similar loads up the hills with both trucks, I really liked passing the V10 Dodges and Fords towing race car trailers up hills
Last edited by Cab_Burge; 10/10/15 01:48 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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