MPG Improvements
Senior User
Joined: Nov 2004
Posts: 340
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I have an 08 F250 SRW Lariat 4x4 Crew running the 18" wheel with 325-65-18s at stock height. My info center tells me I'm getting 10 mpg. This is a 5.4 gasser so it's not the same, but at least gives you an idea of what others are seeing. This is 90% around town driving.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
You should be able to input the proper tire size using any aftermarket programmer. Your dealer can also do this, usually for an hour minimum shop time.
You'll need to know how many revolutions per mile your tires travel.
You'll need to know how many revolutions per mile your tires travel.
Posting Guru
Joined: Sep 2011
Posts: 1,076
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From: Mt. Holly Springs, PA
Your odometer is off... so your not calculating correctly, you need a independant odo like a gps trip meter to calculate correctly
Junior User
Joined: Aug 2011
Posts: 57
Likes: 0
Im driving a 2000 V-10 Ex with 8" lift and 37's with a cold air intake and no cat with the flowmaster 80 series 2 1/2 duals behind the muffler, and my gauge only says im getting 8.9mpg. Im gonna get a 5 star tuner in the next couple of weeks.
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Freshman User
Joined: Feb 2012
Posts: 37
Likes: 0
How does it sound with that setup
Senior User
Joined: Feb 2011
Posts: 383
Likes: 1
I have a 2008 F250 4x4 with a V10 , im running on 37inch tires with 6in lift so I know Im not going to get 15+ MPG but Im curious as to was mods people have done to a truck like this and what kinda MPG improvements they have seen...Im averaging 8-10 MPG and im not hard on it and i baby the truck. Thanks for the help
there is lots of things you can do to improve your MPG. i cant post it on here do to i did to many and got in trob but if you pm me i will send you the links!!!!
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
Likes: 1,678
From: Stephensville WI
Are you a vendor?
Senior User
Joined: Feb 2011
Posts: 383
Likes: 1
no u think a vendor will ask stupid questions like i have and been suspended and all that stuff
i have tried some of the thingss and my rich buddy is spoiled by his daddy and gets a lot of stuff that i mention to him!