Was there a track on this topic?? Tranny's, 6 speed with or not the device we were speaking of, but the input was done back in the 70's when a lot of this was a space walk. Now it is scientific to the point of whom remembers 3 on the column.?? I call it interesting and amusing as I grew up with the muscle cars of the early 70's. In which now are worth a fortune and how did we get where we are now?? Pulling engines out of our cars in the front yard with a great oak tree. I think this line of communication is right off the line it needs to be.