Mini Max tuner. Fuel economy - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 03-29-2011, 08:06 PM Thread Starter
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Mini Max tuner. Fuel economy

I have a 08 f350 with cat/dpf delete and just started running a mini max tuner. My truck computer now says that I am getting 25mpg. I think it is way off. What is everyone else getting for fuel economy ? I think it would be safe to say I'm getting more like 16-17 mpg.why would the truck register such a false reading?I am running the mild tune but have heard that running the hot tune give better mpg. Can anyone confirm this

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post #2 of 4 Old 03-29-2011, 08:13 PM
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Ford programed that feature off numerous options compiled into a formula H&S has yet to figure out. I'm sure the are diligently working on this bulletin and will post updates as soon as possible.
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post #3 of 4 Old 03-29-2011, 08:20 PM
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There was a thread awhile back that went into great detail as to why the lie o meter is so far off after a tune is installed. After reading it I still didn't get it To much tech stuff.

What HP tune to run for better mileage, I believe has more to do with the way you drive. I got a 75HP KEM tune, when compared to a 310 is really low. With the KEM tune I got about a 17% increase in fuel mileage. With the higher HP tunes, it would be really hard to control that right foot

2008 FX4 SC SB 6 Speed 3:73LS, Transflow, H&S Mini Maxx, KEM Tunes, S&B Intake
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post #4 of 4 Old 11-16-2011, 06:24 PM
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mine says 13.6
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