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    Computer chip for 2008 Ford 6.4L diesel

    Do you have any large mountains that you climb? I think that all the people that are getting better than 15 mpg probably don't do much climbing. I've not been back east but I heard it was pretty flat.
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    Results of the Spartant DFP tuner and delete kit.....

    CNG is Compressed Natural Gas which only costs $.85 per gallon in Utah
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    Results of the Spartant DFP tuner and delete kit.....

    fuel economy no good I thought I was reprogramming the ecm with the tuners that I was putting on that is why I tried so many different ones 4 to be exact SCT with DPF delete, then I stacked it with a edge juice but that didn't seem to help with the economy but tons of power then I went to a...
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    Results of the Spartant DFP tuner and delete kit.....

    CNG on my 6.4 I am ordering a CNG kit for my 6.4 and have heard that it will double my MPG but we will see.
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    Question CNG on 6.4L

    CNG on 08 6.4, Has anyone done it?
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    Computer chip for 2008 Ford 6.4L diesel

    Programmers for 6.4 I've put on 4 different tuners trying to get better MPG but not much luck. SCT, Edge Evolution, Edge Juice and Bullydog. I had the Bullydog on and was pulling my camp trailer up a steep mountain grade and blew the turbo intercoolor tube off, and burned up both turbo's...
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    Results of the Spartant DFP tuner and delete kit.....

    I am confused at how these posts say that you can get 20 mpg from the 6.4, I have spent thousands of dollars and a lot of time trying to get better Fuel economy I've tried 4 different tuners, full exhaust system, cold air intake, Ams oil synthetics, HHO generator, and now I am debating on CNG...
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    New Member Introduction

    Hello Super Duty lovers, I hope to be able to get info on better fuel economy from my 08 Super Duty

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