My 47 DeSoto has the steering wheel, jacket and shaft-gearbox lying separately on the bench, awaiting conversion to power steering. Before I cut the jacket and shaft, I'm finishing some final research. I gave up on electric power steering, because the unit would have to mount under the dashboard, and I would have to do major work to offset the shaft away from the gearshift shaft. The pitman shaft is 1-1/4 inch, with 36-and-4 spline count. (Every 9th spline has been flattened, to ind
