FWIW, in the end I just had to use a pry bar and more force than felt comfortable to get the edge over the spline...but it's on. Had to sort of walk it on to get the flat aligned, then open up the pinch clamp a bit to get it to slide on.
A few things that might be helpful if anyone finds themselves in this spot.
The steering box is the same from '67-'77; this helps open the search when looking for the coupler. This steering box has "Large Input (13/16"), 30 Splines w/ 1 Flat (Need 36 Spline Coupler)"
https://www.larescorp.com/Part/201 is the "correct" part and of good quality, but as noted it's *just* enough taller that I wasn't able to use the slack in the steering column to fit the coupler over the input shaft. Maybe something unique to my beat-up old farm truck, but there it is. This is the one I ended up installing, using a pry bar to get every bit of slack out of the shaft tensioner to get over the shaft.
https://www.summitracing.com/parts/o...ckup/year/1972 is also a good quality part and seems to be basically the same as the Dorman below. Still taller than stock, and the Lares.
https://www.dormanproducts.com/p-23848-31011.aspx is spec'd for '73-87 trucks, but as noted the same box was used 67-77. This is of good quality as well...but is even taller than the Lares.
11-09-2024, 02:28 PM
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