Need better fuel mileage please - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 01-09-2011, 08:45 PM Thread Starter
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Need better fuel mileage please

I'm new here and this topic has probably been posted several times somewhere else where it should be but I'm going for it anyways. I'm buying a 2008 F450 dually here in a month or so with 8k miles on it. I know they get horrible mileage so I'm looking for what I should do first. I've heard intake, exhaust and tuner. So what I'm asking is what is the preferred DPF delete kit and tuner I should get? And what size piping. Straight pipe? The truck will not be used for towing but every once in a while and it's only a 27ft fifth wheel. Downpipe size? Just everything I should get that's reasonable. I'm in California so yes I'm planning on having to take it all back to stock to smog it each time. Oh well. Also let me know about what mileage I should expect to see with these mods. Thank you.

Matt
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post #2 of 18 Old 01-09-2011, 08:54 PM
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first off welcome to the Org bud.. what part of cali you from?

as far as tuners i highly recommend a H&S tuner... S&B intake, 4" straight piped exhaust and some way to monitor your guages if you dont get an all in 1 unit...

spartan is also a good choice...

if you need any prices or more info dont hesitate to ask

-Raul
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post #3 of 18 Old 01-09-2011, 09:02 PM Thread Starter
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And should I see a good increase in mpg with that? Is a flash programmer better or is a on the fly programmer better? I think I'm saying that right.
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post #4 of 18 Old 01-09-2011, 09:22 PM Thread Starter
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I forgot. I'm in Ridgecrest, Ca. Southern California.
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post #5 of 18 Old 01-09-2011, 09:35 PM
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yes... you should see a 2-4mpg increase if not more.... some people go from 10mpg up to 18mpg... all depends on your driving habit.... i personally like the flash tuners but thats just me.. i prefer to have my tuner and gauges seperate because if for some reason your all in 1 unit fails you lose your tuner and your gauges in 1 shot....

if you have AOL AIM i can get on right now that way you can just ask me all the questions you have... or you could jump into the chat room

-Raul
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post #6 of 18 Old 01-09-2011, 09:42 PM Thread Starter
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I dont have AIM. I will get back with you when I get the truck. Thank you very much.
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post #7 of 18 Old 01-09-2011, 09:53 PM
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Quote:
Originally Posted by Mattieo96 View Post
I'm new here and this topic has probably been posted several times somewhere else where it should be but I'm going for it anyways. I'm buying a 2008 F450 dually here in a month or so with 8k miles on it. I know they get horrible mileage so I'm looking for what I should do first. I've heard intake, exhaust and tuner. So what I'm asking is what is the preferred DPF delete kit and tuner I should get? And what size piping. Straight pipe? The truck will not be used for towing but every once in a while and it's only a 27ft fifth wheel. Downpipe size? Just everything I should get that's reasonable. I'm in California so yes I'm planning on having to take it all back to stock to smog it each time. Oh well. Also let me know about what mileage I should expect to see with these mods. Thank you.

Matt
Matt, not to be an @ss or anything but maybe consider a 350 over a 450? They get better mileage then the 450s and should haul your 27 footer just fine. I only say this because I am trying to decide between a 2010 450 and 2011 350. We haul 30-38' goosenecks and need the towing capacity of them but the 450s don't get the mileage of the 350s. If you want something thats bulletproof and built like a tank that 08 fits the bill


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post #8 of 18 Old 01-10-2011, 03:36 AM Thread Starter
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The only reason we're getting it is because of the deal we're getting. But Ive also always lived by the rule of getting more than enough cause ya never know if you might need it.
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post #9 of 18 Old 01-10-2011, 06:56 AM
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Same as the other guy above, that's alot of truck if its not going to be towing much. Might as well get a semi truck. The gearing in that 450 is going to have you turning some high rpms and burning alot of fuel for just being a daily driver. A F250 could pull that trailer and not break a sweat. A tuner and exhaust will get rid of some restrictions and get you a little mileage but probably not as much as a smaller truck with higher gears. 3.55s or 3.73 are going to treat you alot better than some 4.88s. We have had several F450 and F550 trucks for work, and I would't want my own unless it was my day in and day out town rig. If that's what you want and its the deal you're looking for then go for it and get it tuned, will be a powerhouse then!

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post #10 of 18 Old 01-10-2011, 05:41 PM Thread Starter
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I also have my 1 1/2 yr old daughter and wife I'm thinking about. I want them to be in a tank.
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