Interchangeability?
A question remains: are the Ford early and late styles interchangeable? Was it simply a change to a better design?
A review of the Chev Major Assembly books shows a similar wide variation in steering gears: often attributed to whether the truck was "arcticized" or not. Were some of these changes due to clearance problems with specialized equipment? Often the chang seemed to be as simple as a variation in the length of the pitman arm shaft.
.... Brian
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