Error in data/value ??? 4l80 wot shift

[jimcarrier]

i just dont get it, 1-2 shift at 40 and then 2-1 down shift if under 56 ?!?! this doesnt make sense. are the value and label miss matched ? on a gen 3 2003 4l80 6.0

ive double tripple checked with other stock tune


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[2xLS1]

The WOT downshift numbers usually match what is in the 100% TPS column in the Normal Part Throttle shift table. The WOT upshift numbers are usually anywhere from 10-20 mph less than what is in the 100% TPS column in the Normal Part Throttle shift table. And GM seemed to set all the shift tables the same whether they had 3.73 or 4.10 gears. And those are KPH, not MPH.

Both speed and rpm have to be satisfied to command a WOT shift. So setting the WOT upshift speed low allows the WOT commanded upshift to be more RPM based. Which ever one is satisfied first it waits for the other to be met to command the shift.