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Old 01-20-2009, 01:00 PM
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Confused on tuning...

I am looking at an '04 crew 4x4 with 50-60k on the clock. I want good MPG. 20-22 hwy. Power seem ok stock. I would like to get exhaust turbo back and a free flowing air cleaner done. EGR elimination would be nice. Do I really need a tuner? I will be using this truck for camping towing a light trailer 2-4k and maybe putting a motorcycle in the bed while towing if I am getting away with the misus. I just want to get better milage than my gas truck does now.
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Old 01-20-2009, 01:09 PM
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You should already have better mileage in stock form then a gas truck.

I've got an '03 6.0, 174,600 on her, daily driver, 2.5" add-a-leafs and 33x12.5x16 Nitto's - I get 22 on the highway, 16 around town. My Superintendent has a F-150 super cab 4wd and gets like 11 around town and 15 on the highway. I've got a bigger and heavier truck and get better mileage then him!

if you get a tuner - it could help - IF you keep your foot out of it. More power = less down gearing = better mileage.

For the record - I dont have a tuner yet. Engine is stock except for the zoodad mod - which I cant say does anything really. I'm usually running with cab-height stake sides adding to the wind resistance too!

If you help the engine breath and exhaust with more flow - the benefit will be better mileage. How much is undecided as there is a broad range. But stock should get you around 20. Adding almost anything to it will help.
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Old 01-20-2009, 04:16 PM
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of course you will have enough power stock. you absolutely dont need a tuner if you dont want one. as you know, the truck was designed to pull by ford. we all here just want more. thats all. with an exhaust and intake, you will get an extra little more out of it while keeping stock egt's in check. will help mileage as well provided you keep your foot out of it. but if you decide to lay on it, it will still get better mileage than your gas truck.
clarence
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Old 01-20-2009, 04:20 PM
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Quote:
Originally Posted by molsen View Post
I am looking at an '04 crew 4x4 with 50-60k on the clock. I want good MPG. 20-22 hwy. Power seem ok stock. I would like to get exhaust turbo back and a free flowing air cleaner done. EGR elimination would be nice. Do I really need a tuner? I will be using this truck for camping towing a light trailer 2-4k and maybe putting a motorcycle in the bed while towing if I am getting away with the misus. I just want to get better milage than my gas truck does now.
im not up to date on the whole aftermarket seen but egr is to get more power thats why they put it in there if you dont know how it works the exhaust gasses cant combust so they absorb heat and lower egts and lower egts means more power. but like i said i dont know everything about all the after market deals if i am wrong some one please tell me i would like to know
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Old 01-20-2009, 04:20 PM
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Its going to be hard to see 20+ mpg without a programmer
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Old 01-20-2009, 05:33 PM
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Goose is there such a setup that would be for economy w/o really adding all that much power? I just curious. I know by making the engine run well, it will in turn run more efficently(sp?). I just thought simple mods would be enough.
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Old 01-20-2009, 05:36 PM
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Quote:
Originally Posted by molsen View Post
Goose is there such a setup that would be for economy w/o really adding all that much power? I just curious. I know by making the engine run well, it will in turn run more efficently(sp?). I just thought simple mods would be enough.
Well, the more hp you add, the better milage your going to get as long as you drive it to get better mpg. I dont even have a economy tune on my sct. If your not dogging it all the time, the higher HP tune will get better mpg

EDIT: yes, there are tuners out there that are just for fuel economy but it wouldnt be worth buying

Last edited by Goose350; 01-20-2009 at 05:39 PM.
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Old 01-20-2009, 11:52 PM
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I knocked out 21mpg this past summer running extreme street. I would get 16-17 in stock form at best.
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Old 01-21-2009, 04:04 AM
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I havent done the exhaust yet, but it is on my list of things to do. But for certain, adding a tuner should help your milage, IF you drive the truck to save fuel. I bought a X3 from Raul a couple months ago and have seen my milage increase from 16.5 stock, to 18.5 on street to 20 on extreme street. This is mixed city/highway on my commute from work.
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Old 01-21-2009, 05:00 AM
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Quote:
Originally Posted by power73strokin View Post
im not up to date on the whole aftermarket seen but egr is to get more power thats why they put it in there if you dont know how it works the exhaust gasses cant combust so they absorb heat and lower egts and lower egts means more power. but like i said i dont know everything about all the after market deals if i am wrong some one please tell me i would like to know
Someone correct me if I am wrong..........EGR is NOT there for more power it is there to provide cleaner exhaust, to meet EPA standards.
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