Fuel Economy - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

 
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post #1 of 7 Old 09-08-2009, 08:43 AM Thread Starter
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Fuel Economy

Oh know another fuel economy question but.... I just had a 6" Pro Comp Lift kit put on along with 37" Pro Comp Extreme AT's. At the same time I had a Pro Flow 4" dpf delete pipe with an SCT tuner set to performance tune. My fuel economy has dropped a bit. Is this normal?

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #2 of 7 Old 09-08-2009, 08:47 AM
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Was the tuner installed previously or was it installed the same time as the lift and tires?

2008 F-250 SC/SB
2008 F-250 HD CC/SB-Sold
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post #3 of 7 Old 09-08-2009, 08:55 AM Thread Starter
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I had the tuner installed at the same time all the other work was done.

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #4 of 7 Old 09-08-2009, 10:10 AM
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The lift and tires are going to hurt your fuel mileage, but I wouldn't think that adding a DPF delete and tuner would hurt it if they were done at the same time. Your mileage should have actually increased

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #5 of 7 Old 09-08-2009, 10:20 AM Thread Starter
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My thoughts also. Is there a burn in period for the tuner with the transmission or engine?

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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post #6 of 7 Old 09-08-2009, 10:22 AM
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Just drive it awhile, maybe you will start seeing some change

Jeff Dodd
spartan_jeff12@yahoo.com

2012 Ford F-250 Lariat CC/SB

Mods - Spartan tuned via laptop, 4" AFE stainless exhaust system, 2.5" PMF BMC leveling spacers, 3" PMF lift blocks, Fox Racing 2.0 shocks, Recon smoked mirror & cab lights
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post #7 of 7 Old 09-08-2009, 10:40 AM Thread Starter
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Will do and thanks for the help.

2015 F250 Lariat SD FX4
6" Rough Country Lift
20" XD Series Wheels
37" Nitto Trail Grapler M/T
Stock

2008 F250 Super Duty 4X4
6" Pro Comp Lift
Pro Comp 6001 Wheels
Nitto 37" Terra Graplers
4" dpf/cat delete w/MBRP
SCT Tuner - Performance Tune
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