2018 F150-5.0V8 Kendall GT1 5W20 6030 miles

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Originally Posted by advocate
There is a tsb for harsh shifting. Take it to the dealer and they will reflash the pcm/tcm and it will shift smooth as butter every shift. Mine is a lot better since I've done it. But if you are modified maybe talk to your tuner and have them sort it out.



Update: as the weather got colder, shifting became completely unacceptable. Everything from violent 1-2 shifts that felt like the driveshaft snapped to hanging in first gear to dropping into neutral briefly between 1 and 2. The dealer did the update flash and it is now acceptable. It's still not like the previous 6 speed but I can live with it.
 
We got the 6R100 Torqshift G (upgraded 6R80) when the 10-spd came out in the F150. They shifted the production capacity of the 6-spd to gasser F250s when the 10-spd hit your market. The 6R100 is a sweet tranny overall.
Those of us driving the "new" 6.2L F250 trucks thank you for your donation!
 
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Originally Posted by dnewton3

We got the 6R100 Torqshift G (upgraded 6R80) when the 10-spd came out in the F150. They shifted the production capacity of the 6-spd to gasser F250s when the 10-spd hit your market. The 6R100 is a sweet tranny overall.
Those of us driving the "new" 6.2L F250 trucks thank you for your donation!


I have a 2017 F53 chassis with the 6.8 V10 and a 6R140 transmission. The 6R140 shift quality is on a par with an Allison. Unfortunately, neither one is available in a pick up.
 
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