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loud and long
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Discussion Starter #1
I got a 06 and I am running gearheads tunes. I run his srl+ and I am getting around 13 mpg. Wondering what everyone one else was getting with what tune?? Thanks
 

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No tunes..... 16 MPG Pulling a 28ft stock trailer (75-80mph) 10.5mpg
 

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I'm running IDP street tune, no lift kit, stock sized tires and on the average about 16-18 mpg. Hand calculated, every tank. If I beat on it like a pizzed of teenager I will get under 16. I try to keep it under 10 pounds of boost for my best mileage.
 

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I always calculate over a yearly period and being it's almost that time I crunched my numbers. This is the first full year I've run with the lift kit and 315's (I don't tow anything).

My average since January 4, 2011 is 14.2 MPG

Mileage: 10225
Fuel: 720.19 Gallons
Hours: 275.5

I let it SEIC to warm up (especially in cold weather) and on short runs rather than shut it down. Btw, I never idle without SEIC.

If I figure 5% of the time I let it idle at .66GPH that would be 13.78Hrs = 9.09 Gallons of fuel I'd be getting 14.38 MPG

10% idle time: 14.6 MPG

In the colder weather she draws more fuel than .66GPH until warm. I tend to let it SEIC idle more often too.

So based upon the foregoing I'd say without idling the truck I'd be getting about 15MPG.
 

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hand calculated -less than- 17.00 and above 13.00. It is VERY rare for me to give my truck a chance to get good mpg, it is too much fun.
 

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in town 12 to 13, out on the road cruising 16 to 18. Best iv seen is 20.4 running 60 mph for around 2 hours. Mods in sig
 

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15.31 MPG on 07 with afe intake, mbrp 4" exhaust, 37/12.50R20's 6 inch lift, ccsb fx4 KR. Thought that's pretty good. I drive mostly open roads so it's like highway. Only have to stop 2x in my 46 mile one way trip to work.
 

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Got 14.5 driving from Virginia beach, va to Georgia. That was running 75mph. After that fillup I dropped down to 70 and road that all the way to Jacksonville fl. Got 16mpg.

When I go to northern va with the trailer (7k) I get 15mpg doing 70mph.

It seam that the only thing that matters to the truck is eons being at or below 2k. Above 2k mpg goes down. I'm thinking of getting bigger tires but eh I don't know. Mods in sig.
 

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Best i have ever gotten was 17.8 on a 600 mile trip at 65-80 mph or more somtimes with innovative x race and stock tires.
 

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Forgot to mention, I'm 35 miles from the nearest highway so most of my driving might as well be considered as "around town."
 

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COMPUTER BLUE
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mix of city driving & highway driving truck is bone stock w/ 230k , running about 75 on the highway I get 16 mpg

we also just did new injectors, hpop, fmic around 3k ago (helped in a 3+ mpg gain )
 

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loud and long
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Discussion Starter #16
Thanks for all the input. I'm going to watch mine closer know and see what I'm getting. Plus might not be as good right now because of winter blend fuel
 

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Wind has a big factor on MPG's as well as keeping it under 2k
 

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1999 crewcab duelly 4x4,
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Being nice to mine i get 13-14mpg, i did a 5 gal test while racing a few times and it started to run out at 23 miles on the trip meter. which is a scary 4.6 mpg. needles to say i havn't done that since. stock tires with 4:10 gear ratio. i miss my obs getting 17-18.
 

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Normally i get 15-16 on highway at 75mph... this last trip from Florida to Shrevport LA, 12-14... suxs... 2" lift and 33 equivelant on 20" rims. Mostly stock. I can tell a hugh difference when i change my fuel filters..18-19 at 75mph
 
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