I am having 727 problems again. My question is, how do you know when the torque converter needs replacing? And what do "stall speeds" mean? And is there a way of testing a tranny prior to installation? I have a spare 727 that hasn't been run in at least 5 years, and it came with a parts Scout II I purchased. It would be a shame to swap it in to find out it didn't work. Thanks for the tech help.