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Folks, what can I say, I installed the first tune out of my Diable Tuner and now the Hemi gets around 20 - 24mpg on the highway and that is with the MDS, "O F F", and 3:92 rear end gearing.............Now when towing, she drops to around 11-14 mpg..them horses are fat and sassy..LOL
 

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That seems like a pretty large range. What was it prior to the tune?
Is that using the EVIC or actual calculation?
 

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17-18mpg range.

plus its allot more fun to drive now :)

Hmm, that's interesting. Was the comparison during the same time of year?

I'm asking because I noticed a 2mpg difference between summer driving and winter driving. This is with no mods.
 

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Anyone calculated city mileage? Im thinking of buying one just to save on gas, but my truck is city driving only.
 

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There's allot of hills & mountains around here, I'm sure mileage would be better in other states.


Winter blends don't seem to effect the mileage with the tuner.
 
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