I believe Bill stated that the FICM tune will help the High HP ECM tunes but wont be as noticable unless you have injectors. There is only so much you can get out of the stock sticks. The FICM tunes are suposed help bring on the power on the bottom end.
He has posts on it on both PSN ans PSA, and other sites aswell. You probably already read those though.
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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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