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6.4L Performance Parts Discussion What has or has not worked for you?

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Old 03-09-2013, 02:28 PM
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fuel millage

I just got an 08 f250 with the 6.4 in it. been looking at a programmer but kinda want the dpf delete done to it what fuel milage are yall getting before and after ?
truck gets 11.6 with 373's its 4 door larit 4x4
thanks everyone
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Old 03-09-2013, 02:52 PM
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search: "mpg" In The 6.4 section.
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Old 03-09-2013, 03:04 PM
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When i did mine. its an 09 4x4 screw with 3:73 gears also. I drove a lot of highway and the lieometer read 20-22 mpg running 75mph.
Hand calculated was 2mpg less. Thats was with 5" flopro exhaust and running the 300 tune with my h&s tuner
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Old 03-11-2013, 10:28 AM
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Quote:
Originally Posted by Big_Smokey View Post
When i did mine. its an 09 4x4 screw with 3:73 gears also. I drove a lot of highway and the lieometer read 20-22 mpg running 75mph.
Hand calculated was 2mpg less. Thats was with 5" flopro exhaust and running the 300 tune with my h&s tuner
Thank ya sir
I've been calling around they are getting hard to find now.
And I did the search I didn't come to too well maybe its cause I'm still new here
But think I am going with the spartan tuner what's y'all's out look on them ?
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Old 03-11-2013, 07:05 PM
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Originally Posted by pbpimp06 View Post
Thank ya sir
I've been calling around they are getting hard to find now.
And I did the search I didn't come to too well maybe its cause I'm still new here
But think I am going with the spartan tuner what's y'all's out look on them ?
I love my Spartan tuner. That being said I run the 300 el as a daily driver. Before I deleted I was seeing about 12 mpg mixed and maybe 13 high way. Post delete I'm seeing any where from 14.5 to 17 mixed driving, I'm hoping this will improve when we finally get summer blend fuel back. I recently made a 400 mile round trip to Kansas all hwy running 70 mph and hand calculated I got 22 mpg.
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Old 03-13-2013, 09:34 AM
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I run the H&S Mini Max on stock and get around 18mpg mostly highway miles. The mileage doesn't get better with added HP tunes, just the display says it does. Hand calculated my MPG is about 1.5 miles lower than the display mpg.

I have not replaced the air intake or the stock muffler. Just did the cat/dpf delete.
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Old 03-13-2013, 11:10 AM
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fuel millage

Quote:
Originally Posted by HHR124 View Post
...The mileage doesn't get better with added HP tunes...
I have documented proof that contradicts that statement. Ran a year on the Spartan 300 averaged 16.5MPG (low was 15.3, high was 17.8). Ran Spartan 210 for last 3 months and haven't gotten over 15.5MPG on any tanks.

All hand calculated. Stock I was getting 13.5MPG hand calculated.


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Old 03-13-2013, 05:25 PM
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I don't know about Texas but around here using the last 3 months as an average doesn't count, winter mix fuels will cause lower milage, even with all other things the same.
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Old 03-13-2013, 06:09 PM
Fueling M.A.D. Everywhere
 

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fuel millage

I am lower on average than during the summer, yes, but even compared to last winter when I drove the 300, I'm significantly lower on the 210.


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Last edited by CountryAggie; 03-13-2013 at 08:14 PM.
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Old 03-14-2013, 11:22 AM
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I have also talked to someone who did the delete and blown the head gasket any of y'all had that problem ?
And you have to have the programmer and delete pipe that's all right ?
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