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View Poll Results: How would you improve short-communte in-town mileage?
Do nothing. Deal with it. You won't make up the cost of doing anything else.
8
42.11%
Use tow-haul
0
0%
Use a tuner
4
21.05%
Add a block heater (warm engine, closed-loop faster?)
0
0%
Do something else
7
36.84%
Voters: 19. You may not vote on this poll

In-town fuel-economy

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  #11  
Old 02-07-2009, 11:46 AM
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Originally Posted by rebel61021
I don't think it is fair I can't vote in this poll.....
30 days, 50 posts and you'll be able to...
 
  #12  
Old 02-07-2009, 12:53 PM
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Originally Posted by SeVeReDiStOrTiOn
Driver habits man...I know it's hard especially in stop and go but do what you can. Try to avoid full stops....so leave bigger gaps between you and the car ahead. Stay under 2000rpms when accelerating...switching to a 17" wheel would help too. Being that you have a 2500 QC 4x4 the mileage you're getting isn't too shabby. Other than that keep her maintained and you're good to go.
I do baby the truck in traffic. Slow acceleration, lots of space. Glide to a stop, etc. I've got the stock 265/75/17s as well. That may be why I'm getting the 9.5-12.5. The problem is stop lights.

What's interesting is that it "feels" like babying it to much is actually hurting mileage. Giving it a heavier push to get the trans into drive faster seems to make the truck happier. I'm still playing with that as well as the tow/haul.
 
  #13  
Old 02-07-2009, 03:21 PM
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I wouldn't bother with tow/haul in your case...you don't have MDS and eliminating 5th gear is counter productive for mpg. It'll also hold gears longer which also isn't good for mpg.
 
  #14  
Old 02-07-2009, 04:04 PM
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Originally Posted by SeVeReDiStOrTiOn
I wouldn't bother with tow/haul in your case...you don't have MDS and eliminating 5th gear is counter productive for mpg. It'll also hold gears longer which also isn't good for mpg.
I'm fairly certain that I'm rarely, if ever, in 5th during the commute. I might hit 4th a few times.

My thoughts on tow/haul is that since it's really difficult to maintain any particular speed (other than stop lights I'm mostly able to at least *move* by keeping room between others), is that reducing the 2-3-4-3-2 shifting helps with TQ/tranny slipping and keeps providing torque to get the truck moving after needing to slow down.
 
  #15  
Old 02-07-2009, 07:56 PM
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Not to sound like a boob but, look at what you drive...basically a brick.
There are some things that can be done to improve milage a little. But are the costs to make those improvements worth the end gain for the small amount of milage improvements you would get? I doubt it.
 
  #16  
Old 02-07-2009, 08:19 PM
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Originally Posted by SeMiGoD
There are some things that can be done to improve milage a little. But are the costs to make those improvements worth the end gain for the small amount of milage improvements you would get? I doubt it.
That's exactly the question I'm asking.
 
  #17  
Old 02-07-2009, 10:13 PM
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I bought a '94 Nissan pickup 4cyl/5spd to increase my around town mileage. $1,500 and it gets 21 mpg easily, 25 if I work at it. If this is not an option, switch to royal purple oil all around. If you have 20s, take them off and get some 17s. They are narrower and will eat less gas. Put it in tow/haul mode so the POS electronically controlled transmission will stop shifting into overdrive at 35, then immediately back out, then immediately back in again... that has gotta eat up the gas as well as wear out the transmission prematurely, not to mention make people think you don't know how to drive. If you are stopped at a long red light, shut the truck off. If you idle for more than 30 seconds it is more efficient to shut it off. Don't use the drive-thru. Also, the speed limit is not the speed you HAVE to go. Keep it 5-10 below. My '07 4.7 can get 15-16 around town, 18-24 highway.
 
  #18  
Old 02-08-2009, 12:14 AM
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my '07 4.7 gets about 11 in town and i baby it. that is a 2 mile commute in town with about 2 stop signs and 4 red lights. commuting to school about 30 miles away with about 8 miles of it a 4 lane highway and the rest rural i get 15.
 
  #19  
Old 02-08-2009, 07:59 PM
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Originally Posted by rebel61021
I have heard the best so far seems to be putting a electric fan in and taking out the fan and fan clutch. I am still waiting for the How-to for that becasue I am in the same boat you are in.
Here is the link to the DIY for installing the e-fan

https://dodgeforum.com/forum/diy-do-...c-fan-diy.html
 
  #20  
Old 02-08-2009, 08:06 PM
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I can drive like an old man in town and get 13.5mpg or drive like a normal person and get 13.0mpg. It's a V8, it's gonna guzzle gas there's no getting around it.
 



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