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  #16  
Old 08-13-2014, 02:39 PM
fordman67 fordman67 is offline
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I just like driving my big ol truck.so the better my economy is..what the hey. But at the end of the day it is what it is. If it got 5 I still would drive it.
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  #17  
Old 08-13-2014, 02:47 PM
ColoradoFordBoys ColoradoFordBoys is offline
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Honda civic and snow drifts in the plains, with 2 german shorthairs, 3-4 people and a bunch of hunting stuff inside doesn't sound like much fun to me??? But to each their own! I did it to do 75-80mph on the interstate at a lower rpm, and I like to work on MY truck. That's what gets old about Forums in general Every time someone wants to do something to their Truck they have to get criticized by someone? For all I care He can take the gears out of his axles! Its is not my truck and chances are it won't change my life either way?? But since he asked about possibly going from 410's to 3.55's I have done it and for what I use MY truck for it was a smart decision for me! Also looks like he lives in North Dakota, It is fairly flat and people drive fast in the plains, 410's aren't very good for that! I would love to go Bird hunting up there one day though!!
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  #18  
Old 08-13-2014, 04:25 PM
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Quote:
Originally Posted by Brettboat View Post
You care about mileage and yet own a huge, old diesel truck?

Sound logic right there

If I wanted your jerk comment I would have asked for it.

Sound logic right there.

I'm on here for advice, not for someone to be an a**hole.
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  #19  
Old 08-13-2014, 04:27 PM
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Quote:
Originally Posted by ColoradoFordBoys View Post
Honda civic and snow drifts in the plains, with 2 german shorthairs, 3-4 people and a bunch of hunting stuff inside doesn't sound like much fun to me??? But to each their own! I did it to do 75-80mph on the interstate at a lower rpm, and I like to work on MY truck. That's what gets old about Forums in general Every time someone wants to do something to their Truck they have to get criticized by someone? For all I care He can take the gears out of his axles! Its is not my truck and chances are it won't change my life either way?? But since he asked about possibly going from 410's to 3.55's I have done it and for what I use MY truck for it was a smart decision for me! Also looks like he lives in North Dakota, It is fairly flat and people drive fast in the plains, 410's aren't very good for that! I would love to go Bird hunting up there one day though!!

Thanks coloradoford, and come on up, I see pheasants from my kitchen window every day. I only have to go out my door for hunting, wheather its deer, birds, or coyote.
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  #20  
Old 08-13-2014, 06:55 PM
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With stock sized tires its about a 330 rpm difference at 75iirc. IF you are LUCKY like Mike said you might gain 1-2mpg. I switched to 4.10's like he did.
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  #21  
Old 08-13-2014, 06:56 PM
ColoradoFordBoys ColoradoFordBoys is offline
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I'd love to! My name is Robert by the way. I did some work on a house up in Kenmare 1hr north of Minot and I liked it up there. Lots of grouse and a few Hungarian partridge. Been wanting to get up that way hunting. Usually end up in South Dakota or Nebraska though. Thanks for the invite
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  #22  
Old 08-13-2014, 07:19 PM
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yeah no prob Robert, my name is Larin. We have partridge, grouse, and tons of pheaseant. I live way south of Minot though.
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  #23  
Old 08-13-2014, 07:28 PM
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Quote:
Originally Posted by 427 fordman View Post
With stock sized tires its about a 330 rpm difference at 75iirc. IF you are LUCKY like Mike said you might gain 1-2mpg. I switched to 4.10's like he did.

I am running 265/75r16's. at 65mph im at 2000 rpm. at 75 im right at 23oo-2400 rpms. I know many guys with these trucks getting 20+ mpg, my brother included. but if you guys say changing the gears wont help then maybe I won't. maybe I'll do some air intake mods and exhaust mods first. see if that makes a difference. I'm already straight piped turbo back, but the moron who had this truck before me put a 3" pipe on instead of 4 or bigger. and I'm also running the stock air intake right now as well. I am thinking of doing the 6637 mod like most of you have done. Currently I am getting 15 mpg hwy. the other day I got 17 pulling a 16ft flatbed. weird. however I am going on a trip tomorrow and I just changed the fuel filter and the oil and filter and ran some diesel PS through the fuel filter. seemed to help a bit. this thing supposedly just had the injectors replaced before I bought it but I am not sure.We will see what mileage I get this trip pulling a 16 ft bumper stock trailer 660 mile round trip. empty one way and loaded back home. we will see how the wind behaves as well. I love my pickup and I want to do everything I can to make it better.
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  #24  
Old 08-13-2014, 07:38 PM
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I don't want to talk you out of it, but the gains really are minimal. It's a big truck. If you know how to do it yourself the price wouldnt' be real bad, but still a good chunk with 2 axles to do. If you're anything like me once you tear into something of this age and miles, bearings and cups/races all get replaced too. If you didn't know how to do it yourself you'd never make up the initial cost with the mileage gain. Even if you did it yourself it would take quite a while.

Make sure your brakes are all good and none dragging, bearings all good and greased, etc. Intake and exhaust are very good ideas first.

Same tires I have. At 75 with my 3.55's I was 2050ish.

Edit: Your mileage isn't bad now. Mine with 3.55's and not a dually yet got 17 at 75, and upwards of 20 at 55.
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  #25  
Old 08-13-2014, 07:48 PM
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ok thanks fordman. And yes I would be doing it myself. But I think I will hold off on it for now and think about it. just drive a little slower and do the other mods first seams to be more logical. thanks again guys.
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  #26  
Old 08-13-2014, 09:21 PM
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Quote:
Originally Posted by fordpride View Post
Worrying about mpg in a truck is like worrying and the tow rating on a Prius. Lol



I went from 3.55 to 4.10 and wouldn't go back. Driving like a sane person I only lost 1-2 mpg. Plus the 3.55 nakes theses truck a old dog on take off
Agreed. For the cost of putting gears in $1000+ you can buy A LOT of fuel

Quote:
Originally Posted by Brettboat View Post
Again, this whole concept is pretty silly. If you don't tow, and want good mileage why don't you do this... Buy a $2000 honda civic as a DD and get 34-36 mpg. That's what I did in college, saved me alot of money. Fuel savings paid for the whole car in the span of only 1 year.

I only drive my truck as my DD now because I'm always traveling and need something to carry my big mac toolbox along with my other ****.

Agreed here too. I have 5 f350 trucks and don't have one of them for fuel milage, I have them to WORK. I drive my ranger for fuel milage
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  #27  
Old 08-15-2014, 06:22 PM
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Quote:
Originally Posted by Leatherneck007 View Post
If I wanted your jerk comment I would have asked for it.

Sound logic right there.

I'm on here for advice, not for someone to be an a**hole.



I'm new here but this is the best post I have seen so far.
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  #28  
Old 08-15-2014, 07:48 PM
fordman67 fordman67 is offline
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I'm new here but this is the best post I have seen so far.
Yep! Sadly the nasty ones are the loudest and just can't figure out how to go away permantly.
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  #29  
Old 08-18-2014, 11:29 PM
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ok so im back from my trip. I got 10-11 mpg pulling empty with a headwind of around 30mph. on the way home loaded with some junk I got around 13mpg. not Bad I think.
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  #30  
Old 08-19-2014, 12:48 AM
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Quote:
Originally Posted by Leatherneck007 View Post
Thanks coloradoford, and come on up, I see pheasants from my kitchen window every day. I only have to go out my door for hunting, wheather its deer, birds, or coyote.
Now I am jealous!! Pheasant hunting is my all time favorite kind of hunting. Used to do it all the time when I lived in Colorado. Nothing beats a good pheasant dog and lots of birds to kill!
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Old 08-19-2014, 12:48 AM
 
 
 
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