If you own a Pontiac with a "manual" steering system, you've likely retained it for three possible reasons: 1) Your Pontiac is a race car and you enjoy the advantages of less weight, parasitic drag, ...
When Chevrolet introduced the new Corvette in 1963 it was hailed as a technological breakthrough, and when 1968 rolled around the C3 was about as close as one could get to a spaceship on wheels.
Unless you're planning on steering your rod or custom in soap-box style with a length of 2x4 and some string, you're going to need either a steering box or a rack-and-pinion. Or you may want to ...