jmmmn37, I just went through this same set up on my '38 1 ton. I updated my brakes to a dual line m/c. Here is photo of how i installed my master cylinder and the actuating rod.
master cylinder If you are using the original bell housing the pedals mount to it. If you have changed to a newer one you will have to fabricate a bracket to mount the pedals to. This is what I did.
new bracket
