Excellent setup there DAD. May try my ultra precision dremel skills at shortening the modern shaft, maybe drilling a small set screw hole in the front (least visible side) of the knob and seeing how well they work together.
Matthew 6:33
1952 Chevy 1/2-ton 3100 Late '55 235/SM420/torque tube 3.55 Dalton Highway survivor (using original 216) www.truckwithaheart.com