Well, I searched every board around, maybe one of you guys can help me.

I have a 01 Z with a cam and brand new Yank SS3600 stall. The converter seems to be locking and unlocking alright but if I slow down to 40 and then give it 1/4-1/2 throttle the car shutters real bad. I just had the cam and stall and dyno tune all at once. Tranny fluid has been changed every 5000-10000 miles. New fuel filter,plugs,wires. Any Ideas.
I may take it to the dealership tommorrow to see if they can find anything.

Thanks