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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #11  
Old 07-23-2012, 01:27 PM
buccaneezer buccaneezer is offline
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Quote:
Originally Posted by S.C. Express View Post
With mine I have found the the mds to be worthless in town, 14 mpg avg.. I get better mpg's in town limiting the tranny to 5th gear. The mds requires too much throttle input for in town driving. On the Highway the mds shines. I have gotten 22mpg running a steady 70-75 on fairly flat interstate, even seen 24mpg at 65mph. I ran 80-85mph from Florida to S.C. and averaged 17.8mpg's, all this was done running 87 octane with the a/c running constantly. My truck is still bone stock unfortunately.
Quote:
Originally Posted by Kustom55 View Post
Forgive the question, Im still new at all this...it looks like we have the same truck and correct me if Im wrong but you limit the tranny to 5th gear around town and leave it open for highway driving?
Thanks
+1!! 22 MPG on stock would be a dream!
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  #12  
Old 07-24-2012, 12:40 AM
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P-Rez P-Rez is offline
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im pushing about 21 mpg on my "Dime Piece" with a diablo trinity
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  #13  
Old 08-14-2012, 10:25 AM
buccaneezer buccaneezer is offline
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As I posted elsewhere, I checked and replaced the air filter (I know, I know... where to look if you've got poor performance and fuel economy) before I went on my annual summer vacation to British Columbia.

What a difference! My wife drove it out, and used the cruise control liberally as she wanted to take care of my baby. 20.5MPG!

I drove the return trip and managed to keep it to 20.3--the truck is all stock.

I find it frustrating that I take it in to the dealer for service, complain about performance and fuel economy, only to find that the air filter was pitch black on my own!!
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  #14  
Old 08-16-2012, 01:08 PM
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BlackHemI BlackHemI is offline
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11.8 mpg here...would kill to have yalls 4th gen mpg
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  #15  
Old 08-17-2012, 12:28 PM
buccaneezer buccaneezer is offline
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Quote:
Originally Posted by BlackHemI View Post
11.8 mpg here...would kill to have yalls 4th gen mpg
Hmm... I used to average just a hair over 16 mpg in my '05... are you sure that your (relatively) low mileage isn't being caused by a heavy foot?

20.5 mpg highway is the best I've done with my 4th gen, and it's definitely being conservative with the pedal!
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  #16  
Old 08-17-2012, 02:42 PM
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Quote:
Originally Posted by buccaneezer View Post
Hmm... I used to average just a hair over 16 mpg in my '05... are you sure that your (relatively) low mileage isn't being caused by a heavy foot?

20.5 mpg highway is the best I've done with my 4th gen, and it's definitely being conservative with the pedal!
for the most part yes. but i will admit i do get on it but not floor it, ill just give it a little gas to hear it better. i am going to buy an intake end of this month, hopefully that helps.
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  #17  
Old 08-17-2012, 02:53 PM
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Ya, my 3rd gen also only gets around 13, but I have seen up close to 20 when my muffler was rusted out, and drove 60 with cruise
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