Ok, Question #2?, If Lionel used a different chassis that wouldn’t fit under the K-Line Hudson, where would one find the MTH chassis, keep the TMCC/Legacy commands and add 4 chuffs per revolution, and utilization of Gunrunner Johns supper chuffer fan driven smoke unit and it all work. Thus, becoming a real “Stump Puller”. Just wondering and who can do the surgery.... Thank you all very much. Happy Railroading Everyone