If my 727 shifts too soon, and too soft, which way do I adjust?

69_340_GTS said
If my 727 shifts too soon, and too soft, which way do I adjust the (stock) linkage? Make the sliding carb linkage longer, or shorter? I tried adjusting per FSM, but since this is a TCI performance unit, I'm assuming the FSM really can't be followed to the letter.
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Longer? To be specific, you need more throttle pressure. Meaning the KD moves towards rear of trans makes it hang in gear longer. I think that’s correct (past my bedtime) but, the transmission gurus will chime in.