Originally Posted by
jimmyblue
I would work with the TCC-locked line adder in the
"General Pressure" section, log TCC slip RPM on the
highway and up grades to be sure that when it's
locked, it's locked solid. There have been some
complaints about Yank slippage (though not as many
as some others) and the line pressure is not right,
in the stock tune, for a smaller converter clutch.
Shiftpoint MPH is the most affected single thing.
You may also dislike the amount of lock/unlock
activity around town with the higher slip and
I turned off locking altogether in 3rd, just too busy
and variable (I kept 4th lockup for the highway).