DJ,
I think that has to do with the PCM being able to test whether or not the transmission actually shifted by way of the ISS and OSS. I wish the factory PCM calibration would perform a 1-2 shift at 15 MPH.....instead of 9.
If I'm wrong, please correct me. Try it!
__________________
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.
|