Ratrod, are you talking about the front or rear cross member or the X member in the center of the frame?
I sent you a PM on 3/21 explaining that there was some difference between the very center part of the X member between '36 & '37, near where the front of the torque tube is located. One difference is where and how the brake cross shaft mounts, since '36 & '37 cross shafts are very different. If you are not doing mechanical brakes that difference would not be that important to you. Never received a response back from you so I assumed you understud my message.