On my turbo car, using the "BlueCat" process, I needed a fair amount of "lead time" for my 1-2 and 2-3 shifts to happen when I wanted them to...
4L80E, Triple Disc converter, FWIW.
4100+# Car traps 137-138mph and I tried to engage lockup at 127mph and it never happened.
Do you, or should you, also need to have (or should I say, ADD) lead time on TCC lockup?
EDIT*
As usual...never even got a reply on this forum...But the answer is NO, you do not need "lead time" on converter lockup...Thanks