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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096709
10/18/11 01:01 AM
10/18/11 01:01 AM
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Joined: Mar 2003
Posts: 2,499
PA
moparacer
top fuel
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top fuel
Joined: Mar 2003
Posts: 2,499
PA
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I have a 2003 2500HD single wheel with a Banks programmer on it and it gets 13-14 towing a 24 ft enclosed at 9000lbs running 70- 75 mph. What gears are in yours? Mine is an automatic and has the 3.73 gears and that helps a lot. I think the smarty programmers are what a lot recommend. http://smarty-jr.com/
67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096711
10/18/11 04:34 AM
10/18/11 04:34 AM
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Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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My 2005 Ram 3500 4x4 quad cab gets about 20 highway, but around 12 towing my 28' trailer with my 4150# Charger (combined weight about 9,000#?)
The Smarty is supposed to be a really good programmer. I have an old Edge Juice. It plugs into the injector harness and does not change anything in the stock computer, and it has the monitor that displays different info like EGT.
Adding timing and a bit of power may help a bit, but don't expect too much mileage increase, maybe 1 MPG?, but the extra power is nice.
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096712
10/18/11 07:21 AM
10/18/11 07:21 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Your pulling a BIG flat wall through the air... that 12 mpg is about average(and that doesnt matter if its empty or loaded once you hit the xpressway) 
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096714
10/18/11 10:10 AM
10/18/11 10:10 AM
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Joined: Jan 2003
Posts: 7,131
Amarillo, Texas
BBR
master
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master
Joined: Jan 2003
Posts: 7,131
Amarillo, Texas
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Dang, my 1998 318 Durango gets 11-14 pulling my 18' open trailer at 65-70 with the 3300lb car on it!
Drag Week 2011 - 77th place - DD
Drag Week 2012 - 2nd place SRBB N/A
Drag Week 2014 - Kapooya
RMRW 2018
RMRW 2020
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: BBR]
#1096715
10/18/11 10:24 AM
10/18/11 10:24 AM
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Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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Quote:
Dang, my 1998 318 Durango gets 11-14 pulling my 18' open trailer at 65-70 with the 3300lb car on it!
HUGE difference b/t an open and an enclosed trailer.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096716
10/18/11 10:30 AM
10/18/11 10:30 AM
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Joined: Jan 2003
Posts: 75,005
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,005
U.S.S.A.
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Quote:
HEY GUYS AND MODERATOR, i wasnt sure where to post this.i assumed it was ok,its race related. im getting terriable gas milage when towing.what can i do to i0ncrease this.i was towing my 24ft enclosed trailer with my 1500 pound engineless car.i was getting 12mpg.when im not towing its getting 20 to 22, is this normal? what can i do to better the gas milage and what programmers do you use on your trucks.any info would be helpful
Is this a diesel or a gas? , considering the unloaded mileage I'll guess it's a diesel?
What what speed are you driving ?
What ever you do you aren't going to raise it a lot , maybe a mile or 2. The trailer is dragging you down, a wing might help some but it's still something that is a big flat panel against the wind, that's why big rigs went away from it .
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 1967dartgt]
#1096720
10/18/11 11:55 AM
10/18/11 11:55 AM
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Joined: Nov 2006
Posts: 2,255
IL
furious70
top fuel
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top fuel
Joined: Nov 2006
Posts: 2,255
IL
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Different animal but my old 1st gen W250 cummins would get 21mpg at 70mph empty and about 14-15mpg towing my fury in a 26' enclosed. It got around 14mpg with less weight in that trailer before I turned the fuel up and got the 16cm2 housing. Speed was always the biggest mpg killer for me. Tug the trailer at 65mph and it did much better than 75. 65mph with the Fury on an open trailer and I would get 19mpg, hardly any drop at all.
70 Sport Fury
68 Charger
69 Coronet
72 RR
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 2QUICK4U]
#1096722
10/18/11 12:21 PM
10/18/11 12:21 PM
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Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar
master
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master
Joined: May 2008
Posts: 5,399
Aurora, Colorado
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Quote:
well thanx guys.the truck did come with the smarty programmer.ill try it out soon.i have moved to colorado and i left truck there, 1 less thing to move next week,lol. now i get the extra fuel tank in the bed.im looking into 1 of them.every 200 miles i had to stop for fuel.i dont like being down below half tank.
I have the digital propane injection. It does help increase mialage and extends the range of the truck.
I just wish I had gotten a larger propane tank.
I use about 1/2-gallon of propane to 1-gallon Diesel, and my propane tank (19-gallon, but holds 15-gallons plus expansion space) so it needs re-filled every time I fill up with diesel.
The problem is finding a place to re-fill the propane at a reasonable price. The propane place I goto is $2.50/gallon, but the price at the Flying J truck stop is $3.20/gallon.
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 451Mopar]
#1096723
10/18/11 12:34 PM
10/18/11 12:34 PM
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Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
MRMOPAR622
top fuel
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top fuel
Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
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I got a 3500 Dually with the diesel engine with 3:54 gears,pulling my 40' GN with my dragster,golfcart,a/c,floorjack, battery charger,and tools I have not checked it buy I'm lucky if I get 8 mpg.
This will be a interesting post for me.A few years back when I got my 1st diesel about 9 years ago diesel was the price of the low grade gas now it's above the highest grade gas.
"To Be The Man'You Have Got To Beat The Man"
"T/D and Pro-Bracket Racer"
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: 7sec.cuda]
#1096725
10/18/11 01:52 PM
10/18/11 01:52 PM
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Joined: Oct 2009
Posts: 1,288
Oregon
sg66mopar
pro stock
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pro stock
Joined: Oct 2009
Posts: 1,288
Oregon
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As a couple mentioned, with these trucks speed is everything!
Last weekend I drove from home, south of Portland Oregon, to Camano Island Wa, about 265 miles.
I had my camper on the truck but no trailer and drove about 60-65 on the way up. The overhead read 13.5 avg. when we arrived.
We came back Sunday and drove about 55 on mostly secondary roads. When we got home the overhead read 14.7 Avg. Probably would have been around 15.2 if I had reset before heading home.
I've had this truck now for 7 years and 65,000 miles. This type of difference due to speed is normal.
03 4x4 Dually Quad Cab
Cummins, 6 speed, 3.73 gears
Arctic Fox 990 Camper
Total Truck & Camper 13,800 lbs.
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: nhramark]
#1096726
10/18/11 03:18 PM
10/18/11 03:18 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
Quote:
do you guys know anyone that has put a air wing on top of the cab and did it help with gas milage? and what was mpg gain?
Those things are high dollar! You would probably never save enough in fuel to pay for it. . (14 mpg highway)
Those air foils can be built cheap, all you do is buy the spars and cover then with aluminum and hold it together with blind rivits. I've built a few for race cars. Don't know how much they help on top of your truck but I would never buy a new one that was prebuilt, you will pay top dollar.
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Re: TOWING WITH MY NEW 2003 5.9 DUALLY
[Re: MRMOPAR622]
#1096727
10/18/11 09:52 PM
10/18/11 09:52 PM
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Joined: Jun 2004
Posts: 767
NW PA
V10nacuda
super stock
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super stock
Joined: Jun 2004
Posts: 767
NW PA
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Quote:
This will be a interesting post for me.A few years back when I got my 1st diesel about 9 years ago diesel was the price of the low grade gas now it's above the highest grade gas.
About 7yr ago I had a V10 2wd and took a trip toTX and when the gas and diesel prices were opposit to what they r now. So getting 8to9 mph and hearing a diesel mileage would be around 15mph I decided to pull the trigger on an 04 used.....Then prices flipped 
Now Iget about 11 with a 30' towing around10k. Have to agree get over 70mph and mileage plummets
V10
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