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6.7 Liter Dodge Cummins 07.5-12 Discussion of 6.7 Liter Dodge Cummins Diesels

Not real happy with my H&S and deletes.

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  #11  
Old 01-30-2013, 10:14 PM
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Trester,

I have been working on a 2012 6.7l for a few weeks now and I found I had to go to an AFE Pro Dry Stage 2 intake and run the timing down to stock level. We are getting 18mpg + now at 65mph.
 
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  #12  
Old 01-30-2013, 10:28 PM
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Originally Posted by BigBlack2011
I find the hot tune to be the best for the highway. It's all about power to weight ratio!
x2

---AutoMerged DoublePost---

Originally Posted by TRESTER
So ive put on 2,000 miles on after installing H&S mini maxx with all deletes on my 2012 6.7 with auto, 3:73.
My MPG is still 16 MPG, same as stock. Not real happy, I've tried every setting on the mini maxx and did the update before I installed it.

I can get 18 mpg if I do 55 mph. I can't drive under 70. I do mostly highway driving.

What mini maxx settings do you find the best MPG for highway?
Fill in your sig what deletes and mods do you have? If your running bare minumum I would run mild/3 att until you get some {if thats the case}
 
Last edited by griff44; 01-30-2013 at 10:28 PM. Reason: Automerged Doublepost
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  #13  
Old 01-30-2013, 10:30 PM
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i never saw a truck that didnt pick up some mpgs. 07.5 up that is
 
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  #14  
Old 01-30-2013, 10:32 PM
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Originally Posted by GC Diesel
Trester,

I have been working on a 2012 6.7l for a few weeks now and I found I had to go to an AFE Pro Dry Stage 2 intake and run the timing down to stock level. We are getting 18mpg + now at 65mph.
Why a AFE stage 2 the stock air intake will work fine deleted, stock timing is 3 is that where you are?
 
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  #15  
Old 01-30-2013, 10:57 PM
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Was running an AFE mega cannon, switched it out to the Pro dry and gained 3mpg, played apushed the timing on the Mini Max to (1) stock setting and gained another 2mpg. Running a 5" Flow pro exhaust, H&S Mini Max with deletes on Hot setting.
 
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  #16  
Old 01-31-2013, 01:23 AM
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what if instead of buying a tuner you get a zeus ECM can you have that programmed without all that epa nonsense?
 
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  #17  
Old 01-31-2013, 02:25 AM
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I talked with H & S about getting more MPG, & they told me that they don't test their tuners for MPG
 
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  #18  
Old 01-31-2013, 09:20 AM
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Originally Posted by GC Diesel
Was running an AFE mega cannon, switched it out to the Pro dry and gained 3mpg, played apushed the timing on the Mini Max to (1) stock setting and gained another 2mpg. Running a 5" Flow pro exhaust, H&S Mini Max with deletes on Hot setting.
Stock timing on a minimax is 3
 
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  #19  
Old 01-31-2013, 01:06 PM
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Originally Posted by gunman41mag
I talked with H & S about getting more MPG, & they told me that they don't test their tuners for MPG
They wouldn't test their minimax race tunes for mileage because they were selling them for race only..
 
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  #20  
Old 01-31-2013, 01:11 PM
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You need to take into consederation winter fuel if you are where they have it, Also idle times with adversely affect mileage as well. Some trucks also will not see the gains that most do say 1 out of 100 will not change alot. I have seen it on occasion
 
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