Question Torqueflite A904

TrailBeast said

Completely normal under the circumstances.
What happens is the trans pressure is higher with more throttle and when you start backing off the throttle the pressure goes lower and it shifts.
Sometimes with quite a driveline ringing slam.:D

Completely normal.

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what happens is that in many situations on flat / straight roads in full throttle I relieve the throttle before engaging the third gear and instead of continuing in 2rd, it jumps to 3rd !!
I have little experience with automatic transmission and I was doubtful if it is normal, or adjustment is needed or there is a problem