Who is getting best MPG with what mod?? - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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  #1  
Old 12-29-2007, 07:11 AM
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Who is getting best MPG with what mod??

I was wondering what type of fuel milage some of you others were getting and what all you did to your truck. I'm gettin 11.0 with my stock 08 running 35"BFG All Terrains. Now I did not calabrate it up because I want it to show less miles on the truck. What really sucks is i have a 2000 f250 with 28.5" of lift and 5:38 with 49" IROKs that get 13-14 MPG.

Has anyone else heard about the 8 Speed Automatic transmission may be coming out with???
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Old 12-29-2007, 07:21 AM
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you didnt calibrate it because you want to lie to the dealer and the next owner...nice.

if you were lazy I could go for that, but for lying, sad.

sucks about the mileage though.

Last edited by kinghawg98; 12-29-2007 at 07:30 AM.
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Old 12-29-2007, 07:48 AM
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You might as well just have it calibrated. For not knowing the true speed and mileage, not having the correct shift points, not knowing what you kind of economy you are getting without having to do math and still possibly be wrong......all for a few miles, thats retarded. For the 35" BFG's after driving a true 10,000 miles... 9147 miles will show on your odometer......doesnt sound worth it to me.

And apparently no one has a mod that helped their mileage.
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Old 12-29-2007, 07:58 AM
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Well, looks like you guys pretty much answered that post. No need for me around here. to the forum BTW.
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Old 12-29-2007, 08:10 AM
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Guys, I'm really sorry for lying to yall. I hope yall can find in yourselves to forgive me for not calibrating it.
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Old 12-29-2007, 08:34 AM
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I bought my truck with the factory 20's which measure 34+" tall. My speedo was consistently 2 MPH low. I now have 35's and it merely brought my speed closer to correct. The odometer seems to be right on as well. Not that big of deal.

If you go a larger difference than that, calibration may be in order, if nothing else, to help the tranny shift right.
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Old 12-29-2007, 02:00 PM
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Quote:
Originally Posted by Stroken49s View Post
I was wondering what type of fuel milage some of you others were getting and what all you did to your truck. I'm gettin 11.0 with my stock 08 running 35"BFG All Terrains. Now I did not calabrate it up because I want it to show less miles on the truck. What really sucks is i have a 2000 f250 with 28.5" of lift and 5:38 with 49" IROKs that get 13-14 MPG.

Has anyone else heard about the 8 Speed Automatic transmission may be coming out with???
I don't consider it lying if you didn't calibrate the speedo. It is correctly counting the revolutions of the drivetrain and running gear. If it shows 100,000 miles then is has done all the same work or revolutions of any other truck that shows 100,000 miles Who cares if the windshield seen more miles of wind resistance.
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Old 12-29-2007, 02:13 PM
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^yep, doesnt really seem like lying to me... who honeslty cares tho, i could careless if I bought a truck like that, or if it had 200miles more than it said. not going to bother me.
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Old 12-30-2007, 05:39 AM
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You're missing the point. It wasn't that he was 'lying' about the mileage, it was just the fact that everything will be inaccurate until it is calibrated. More so for real-time speed, trip mileage and mpg than total mileage. More of a inconvenience than anything else...
So, no one has anything to answer his original question?
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Old 12-30-2007, 05:42 AM
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didnt mean to drag half the posts off topic, for that I apologize.

No idea bout the terrible mileage, perhaps you should visit the dealer, the mileage shouldnt be THAT bad...perhaps something is stuck.
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