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Old 03-16-2012, 05:03 PM
Cthulhu Cthulhu is offline
Dodge Ram Forum Member
Join Date: Jan 2011
Location: Calgary, AB
Age: 38
Posts: 66
Gender: Male
Vehicle: 2006 Dodge Ram 3500
Trim Level: Laramie
Color: Red
Engine: 2005-???? 359ci (5.9L) Cummins ISB 610 24-Valve Diesel I6 325hp 610 lb/ft
Rep Power: 0
Cthulhu is on a distinguished road

Hey there...

It seems like things have been pretty slow around here lately, so I'll hop in with my 'experience' to try to help..

You are right.. your tire selection will not help your fuel mileage. What do you want out of it for mileage?

My 06 5.9 3500 MC gets 16-18mpg on the highway. I have a k&n intake/filter, stock height, BFG ATKO 265/70/17 tires... I was hoping for 20+ but all things considered for the size of the truck, I've learned to be very happy about the fact I'm not getting 5mpg.

I have a BullyDog Tripple Dog and have not found it has helped with my mileage at all. I don't know if you could find a programmer that improves the mileage enough to pay for the programmer.

The historical stories about the 5.9 getting 25+mpg, where due in part to the truck being lighter, and there was less environmental crap restricting their performance. Its a different game we play now...
2006 - RAM 3500 Megacab - CTD - K&N CAI - LightForce Driving Lights - ReTrax Bed Cover
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