View Single Post
  #10  
Old 01-27-2012, 10:44 PM
Mate2011RT's Avatar
Mate2011RT Mate2011RT is offline
Dodge Ram Forum Senior Member!
 
Join Date: Apr 2011
Posts: 104
Gender: Male
Vehicle: 2011 Ram R/T
Color: Brilliant Black
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
Rep:59
Mate2011RT will become famous soon enough
Default

Quote:
Originally Posted by mpwallin View Post
I live in rural pa. Not much city driving but not highway at all. Mostly 2 lane clipping at 60,down hill one way and up back. 2010 with 4.7 got 17.5-18.5 consistently without trying. I realize the break in thing but how much does that really change. Would different octane help enough to justify price diff, never tried it in any other vehicle? Any help is appreciated.
Mine changed a good bit after the first 500 miles (for the better), and again around 3k seemed like things settled in a bit more after service. Then again, I was looking for power not efficiency, but 16-18 is my norm now with a mix of light urban driving. (89 octane)
Reply With Quote