18 MPG Highway... FINALLY!

[caseyd]

How many miles you have on this rig???

21,000 miles.

 

[Stalker04]

I got the tsb update last week. I went from my house to Ann Arbor yesterday, and my mpg went from 15-15. 5 to 18-18. 2 at about 70mph.

 

[SHyans]

I got the tsb update last week. I went from my house to Ann Arbor yesterday, and my mpg went from 15-15. 5 to 18-18. 2 at about 70mph.

That's the same impact I had. My absolute MAX hwy was about 15. 7 before the tsb. Of course as far as my wife is concerned, the MPG increase is due to the Juice and AFE upgrades I told her were necessary to try to get my mpg up. I sure the increases had nothing to do with the tsb (wink-wink-nudge-nudge)

 

[JVolpe]

Well I have to update my earlier statements to some degree.



Had to go to Louisiana Saturday, about 250 miles round trip.



Filled up and reset trip and overhead. Set cruise at 75mph. Overhead settled at 18. 2mpg and pretty much stayed there for whole trip.



I havent hand calculated this yet but I believe this will be around 17. 1-17. 5 mpg hand calculated. This is definitely an improvement. With 315s and 75mph I would be statisfied with the mpg on the highway. I just have to see if it stays in this range or if it was a fluke.

 

[dodgerep]

I only have 6400 miles on my truck, (bought it 1/3/05) and if i drive 55-60 I can get 23. 8 mpg and over 70 I go to 14. 7 with my juice box on 4, PG7 Stage 2 and oh yeah, over 70 I mean 85-95 mph... It is gonna take some miles to get it brok in, I may not see better mileage for at least another 3 months. . but then again, WHO CARES!!! IT LOOKS SO DAMN GOOD!