Steering Box Rebuild

[Mr. Will]

I have a 37-39 steering box, casting 78-3550-B, I am going to swap into my 36 Cabriolet. After doing some research I decided to do the rebuild myself. I already had new bearings and a gasket set in inventory so figured it was time to learn the process. I disassembled the gear box to find a badly pitted worm gear and sector roller as well as bearings. I ordered a new worm and sector roller from the Early Ford Store, pressed off the old worm gear and pressed on the new without any issues. Then went over to my neighbors and chucked up the sector in the mill and cut the head off the pin for the roller and pushed the pin out. Took some measurements for the new roller and found there was a .018 difference, the new being the larger. Then measured the bushings on either side and found the new bushings to be a total of .007 larger then the original bushings and the roller .011 larger then original. So I decided to take the old bushings and dress them with some 400 on a piece of glass in a figure 8 to take down the need .0035 on each bushing to fit the sector roller, will do that today.
Also I want to mention that the new sector roller bearings are much larger then original and the bushing to roller surface is much smaller, not real impressed with the replacement parts.

From what I understand when swapping in the later 37-39 box in a 35-36 the upper mounting hole has to be redrilled in the casting approximately 3/4" lower? I know you can use the mounting plate for 37-39, and I have that, but from my research I have found that will also slightly drop the gear and change the angle of the column and then you have to address the floor board and column drop. I choose not to do this as I want this swap to look like it was meant to be.
My question is can anyone give me a precise measurement as to the location of the upper mounting hole in relation to the lower holes. If anyone has a 35-36 box I could get the measurements from that.

Thanks For Any Help
Dan