Thanks, Sparky.

I found 2 different steering boxes listed at Auto Zone, one for 67 to 76, and one from 77 up through the 80s.

From what you have said, it sounds like I could get a box from a 1980 donor vehicle that I found in a U Pull It yard and make it work.

Chances are that I would also need a steering column, too, I would guess?

Sorry for my total ignorance on this job. I have done repairs on this old beast over the years, but have never attempted a modification!

Les