I used a steering column from a '70 GMC pickup I found on Craigslist for $30! (he sold me another one that the blinker arm didn't work on for an extra $10!!!! I so scored!!!) I used the stock lower bracket and the original '49 upper bracket.
After figuring out the right bolt length ( I used 4 1/2" bolts), I found some 1" long sleeves to drop the column down to where it needed to be. Now I need to trim all the floor area that the previous owner cut with a torch and make a nice filler panel that goes around the column.
On the outside, I had a game plan to mate the box and column together. I took the steering shaft that I got with the column, drilled out the plastic plugs and knocked the male and female pieces apart. I did the same with the wagon box' shaft. I then slid the 2 pieces together to make them work as one. After pulling them to the length I figured would be about right, I drilled an 1/8" hole using the female shafts original holes (where I drilled out the plastic) just deep enough for a couple of aluminum rivets. I have about 3/8" clearance at the header, so I'm ok.
I still want the column to collapse in an accident, so those should work. As soon as I get the brakes done, I can blow this thing apart to sandblast and paint. I'm getting excited now... I still want the column to collapse in an accident, so those should work.