I was having a hard time with that as well. Since the trans would downshift then hit lockup again. Made for a jerky deceleration, and if items in the bed weren’t secured they would be jarred loose and slide to the front. No fun.
The way I fixed it I tuned my 4-3 down shift to happen at 38mph, which is also under my lockup tune line at 20% throttle input, so it unlocks and grabs third unlocked. It won’t lock again until I get above 48-50mph at 20% throttle input.
I have a tuning question too since we are on the topic, why is it that the ant eater won’t command a downshift until my Motor starts to make an effort? My 3-2 downshift seems delayed and when it does decide to shift down its right in the middle of making torque so it hinders acceleration by dropping a gear then almost immediately shifting up again. Originally I thought this was because my 2-3 shift line was too flat and I had several values that were the same (for example, three 25mph upshifts at 40,50,and 60% throttle input). Now I have them spaced at least a couple mph to make a nice linear graph, but still has the same issue, just not as pronounced.
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