Recommendations to improve MPG's - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 01-14-2011, 06:27 PM Thread Starter
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Recommendations to improve MPG's

Let me start by saying I'm mechanically ignorant. Now that that's out of the way what can I do to help improve the fuel mileage in my truck? A little history here...my first diesel was an 02 F250 crew cab 4x4 and I got 17 - 17.5 in the summer and 15 - 15.5 in the winter. Everything was stock. I got rid of it (dumbest thing I've ever done) and bought a 2005 F250 crew cab 4x4 King Ranch. After reading all the horror stories I got scared of it, sold it, and bought a 2001 F350 crew cab 4x4 long bed. It was getting 15 max so after reading about the tuners I bought a TS Performance 6-position and my mileage went down. Had it reburned and it's not getting any better. Most of the time I'm in the 12 range with the worst being 10.6. It definitely gave it more pep but the mileage went down instead of up. I don't know what gear is in it but it turns about 2300 rpm's at 75 mph. Any ideas to help the situation?

Thanks!

Current one - 2006 F250 Crew Cab 4x4 King Ranch FX4
1st one - 2002 F250 Crew Cab 4x4 Lariat - SOLD
2nd one - 2005 F250 Crew Cab 4x4 King Ranch - SOLD
3rd one - 2001 F-350 Crew Cab 4x4 XLT - SOLD
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post #2 of 2 Old 01-14-2011, 08:29 PM
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Originally Posted by ChadGinTennessee View Post
Let me start by saying I'm mechanically ignorant. Now that that's out of the way what can I do to help improve the fuel mileage in my truck? A little history here...my first diesel was an 02 F250 crew cab 4x4 and I got 17 - 17.5 in the summer and 15 - 15.5 in the winter. Everything was stock. I got rid of it (dumbest thing I've ever done) and bought a 2005 F250 crew cab 4x4 King Ranch. After reading all the horror stories I got scared of it, sold it, and bought a 2001 F350 crew cab 4x4 long bed. It was getting 15 max so after reading about the tuners I bought a TS Performance 6-position and my mileage went down. Had it reburned and it's not getting any better. Most of the time I'm in the 12 range with the worst being 10.6. It definitely gave it more pep but the mileage went down instead of up. I don't know what gear is in it but it turns about 2300 rpm's at 75 mph. Any ideas to help the situation?

Thanks!
First and foremost i would recommend an air intake. A bigger exhaust will help but i run factory 3.5 inch exhaust straight piped and get 20mpg in the summer and about 15-17 in the winter.


Ford F250 Ext Cab Short Bed 7.3L PowerStroke
S&B Cold Air Intake
ATS Ported Shroud Housing
Straight Pipe
Waste Gate Unplugged
Glowshift Gauges Boost, Trans, EGT
*DP Tuner coming soon*


And YES this is the sh*tiest looking hay you'll ever see
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