Cut to new length, Grind off of rear cup, 1/2 of weld width, (only to thickness of tube wall), dress w/flat file, a slight taper. Align & drive cup into squared tube end. Tack at (3) 120° intervals, Weld all around.
I seam to follow closely to what the pitman does. “ If it was made by a man once,,, it can be made by a man again”