Thread: Tranny shift points
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Old Fri, May 21st, 2010, 07:49 PM
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No issue with the box code. ADH4 doesn't exist and knowing that looking in a mirror can skew your view of the writing, we deduced that it was VDH4. Easy enough.

We use a strategy of VDH2 that is a hybrid of VDH2 and PMT1 for the torque converter clutch apply strategy since it appeals to more people. I suspect that you are concerned with the mid-to heavy accelerator pedal torque converter clutch lockup points. If this is the case, then we are sorry for any inconvenience. How does the truck shift otherwise; Is the shift feel ok? Too harsh or soft?

Please let us know what we can do to your shifting. We want to get it right for you so that you have a pleasurable experience.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.