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| 2003 to 2007 6.0L Power Stroke Diesel 6.0L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
Sun, May 8th, 2011, 11:10 AM
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What to do???
I have a 2007 F-250 Crew Cab 4x4 with the current strategy being VXCF4X3. I have a turbo back MBRP 4" w/o cat and the stock 275/65/20 tires and a SCT with Matt's SRL tune. I am only getting around 13 mpgs and 15 on a highway trip. As for cold starts I have no problems with my current strategy, but it seems to really "drink" the fuel while idleing and I would like to see a little bit more fuel economy. Do I need a ECM rollback and the FICM reprogrammed, or just one or the other? I looked at the order form and was going to wait and see what options I need to do.
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#2
Tue, May 10th, 2011, 10:56 AM
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Your good with the VXCF4, so no change needed there. You can go with a FICM flash, but you won't see as good of results as some one who had a VXCF7 or VXCF9 would. They would be getting even worse MPG then you do. It should help alittle...but how much I could'nt say.
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19 F-350 6.7 Auto 16 F-350 6.7 Auto 05 Excursion 6.0, Auto, PHP Atlas 40 FICM, ARP Studs VXBC6(truck PCM) 00 F-350 7.3, 12 Speed, PHP Gryphon, PHP hydra, DAC3 95 F-Superduty 7.3 DI, Auto, Mechanics Truck 94 F-Superduty 7.3 DI, 5 speed, Flatbed
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#3
Tue, May 10th, 2011, 11:13 AM
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Times two on what Jeremy said.
The FICM flash may help a little, but probably not as much as one would see if they had a later calibration.
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Tuning, flashing, burning chips, and repairing all aspects of 7.3L Powerstrokes. SEVEN 7.3L-powered vehicles in the driveway. Two didn't come that way from the factory!
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