Jeff, if you choose to follow the example of the thread you referenced, be aware that they have made one major mistake in their setup. The steering gear should have been rotated 90 degrees so the Pitman arm hangs straight down with the steering centered. The way they have it mounted in their picture series will still induce some bump steer issues as the axle travels through its range of motion. By fabricating a bracket to forward-mount a newer design steering gear, a lot of problems can be avoided.
One very important improvement with the modern steering gear is the possibility of adding a collapsible steering shaft which will not impale a driver in case of a serious front end crash. It's no fun watching the paramedics cut the roof off an older vehicle to retrieve the body of a driver with a steering shaft through his chest.
Jerry
