Erratic shifting transmission in quarter mile

oldstv

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thomasville ga
Car is 2012 with TVS, Circle D 3C converter, 3.15 gears, pro tire.
First pass: Trans shifted at the red light on the 1/2 and 2/3 with the converter locking up late in third.
Second pass: Trans shifted 1/2 2/3 fine but held third way too long and converter never locked up.
Why would the transmission do something that it was not told to do and then do something completely different on the second pass?
I am hoping someone out there has seen this before???
Mods if this needs to be somewhere else please move.
 

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