'15 results after mods

HeavyAssault

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-PIP Tuning (Street)
-NoLimit Intake
-NoLimit Delete
-NoLimit IC
-H&S IC cold pipe
-FloPro pipe

My math shows an average speed of 34.7MPH. Not bad in my book. There's at least 2 hours of HWY 60-75 MPH driving in there, maybe another 1-2 hours I don't recall. Most of this was work/home/around town driving. I'd say 70/30 City/HWY.

2015-04-11_19_42_15.jpg
 

Jomax

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Is the mpg calculator in the truck still accurate after you tune the 6.7s? I know on the 7.3s when tuned, they go up to like 23mpg on the computer lol

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HeavyAssault

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I can't say it's perfect. Considering the math it's just showing accurate for the display. Since I'll refuel up to the cap it's not going to be the same. I wanted to show the fuel gauge, trip miles, and total time. I use Fuelly as the actual log for my MPGs since it tracks mileage off the odometer and costs.

I'm hoping to see the 1/2 tank mileage to hit 400 miles for HWY driving. It would be great to be at the 1/4 tank mark with 550+miles HWY.
 

BK39

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Is the mpg calculator in the truck still accurate after you tune the 6.7s? I know on the 7.3s when tuned, they go up to like 23mpg on the computer lol

Sent from my SM-N900V using Tapatalk

They are pretty close on both my 6.7s. Within 1 mpg or less of being dead on to my hand calculations.

On my 08 I called it the lie-o-meter. It'd show me 17 and 19, and only come out to 14 and 15 on paper.
 

Jomax

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They are pretty close on both my 6.7s. Within 1 mpg or less of being dead on to my hand calculations.

On my 08 I called it the lie-o-meter. It'd show me 17 and 19, and only come out to 14 and 15 on paper.

My 6.7 is dead accurate, stock that is.

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oxcobra

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What size tires are you running. I have 35 toyo mts and even highway I barely get 320 miles a tank. I just ordered new lighter tires hoping it will help
 

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