Pete, the car will lock up depending on the selected shift schedule/lock up schedule, if you have your file in MTF format send it to me and let me look at it.
Dennis should I be locking the converter in 3rd with the power I am making?
Im actually if locking the convertor in 3rd with any kind of power is helpful. In the 1/4 my TC locks up around 82MPH and seems to bog me down a bit.