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post #1 of 8 Old 10-20-2011, 09:38 AM Thread Starter
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6.4 Questions?

I am wanting to get better fuel economy! Averaging 12 mpg is not cutting it.
What are the best ways to make this happen?
Everything is stock now motor wise. No programmer.
Any ideas would be great
Thanks

2008 6.4 6" skyjacker lift 20" moto metals
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post #2 of 8 Old 10-20-2011, 09:52 AM
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Well your avg. better than me with a programmer.
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post #3 of 8 Old 10-20-2011, 11:23 AM
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Quote:
Originally Posted by BigRedOwner View Post
I am wanting to get better fuel economy! Averaging 12 mpg is not cutting it.
What are the best ways to make this happen?
Everything is stock now motor wise. No programmer.
Any ideas would be great
Thanks
DPF delete is a start. You have a 6" lift? So you probably have 37s? Man it's not going to change much.

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post #4 of 8 Old 10-20-2011, 11:38 AM
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Like BigKid said, Lift and wheel/tire size is hurting you bad. A delete would help but you'll get even better results closer to stock height.

What truck and gearing do you have? The F250's and F350's benefit the most, especially with the lower gearing, 3.55, 3.73. Going to the larger trucks and higher gearing lessens the effects of the delete. You'll see an improvement, but not as much as you may want.

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post #5 of 8 Old 10-20-2011, 12:08 PM Thread Starter
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Ya I have 37s. I figured that it wouldn't change that much, but I'm hoping that I can get it up to 15-17. Just because diesel is killing me at only 330 miles to each tank.

I'm not sure on the gearing probably 3.73

I'm very tempted to just lower it back down, where could I buy the stock parts?

2008 6.4 6" skyjacker lift 20" moto metals
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post #6 of 8 Old 10-20-2011, 12:26 PM
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Quote:
Originally Posted by BigRedOwner View Post
Ya I have 37s. I figured that it wouldn't change that much, but I'm hoping that I can get it up to 15-17. Just because diesel is killing me at only 330 miles to each tank.

I'm not sure on the gearing probably 3.73

I'm very tempted to just lower it back down, where could I buy the stock parts?
ya mine does 400 +/- per tank(stomping on it absolutely kills the mileage). 80-90% city driving. Stock tires, stock height, dpf delete.

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post #7 of 8 Old 10-20-2011, 12:43 PM
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Quote:
Originally Posted by BigRedOwner View Post
Ya I have 37s. I figured that it wouldn't change that much, but I'm hoping that I can get it up to 15-17. Just because diesel is killing me at only 330 miles to each tank.

I'm not sure on the gearing probably 3.73

I'm very tempted to just lower it back down, where could I buy the stock parts?
Buy stock parts at ford, junk yard, or ready lift?



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post #8 of 8 Old 10-20-2011, 03:16 PM Thread Starter
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Ya thanks guys, I appreciate it. I've been looking to the Spartan tuner and just getting a 5" exhaust from MBRP. Then a AFE cold air intake. I'm thinking that would get me pretty far.

2008 6.4 6" skyjacker lift 20" moto metals
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