To bring you back to earth in a straight forward manner. (saves time)

You may be using a limited budget for something you don't need. Use your limited budget for things you do need. Don't buy a lot of stuff before you get the bones done. You said the trans is not installed yet. Many newbe's think buying a bunch of stuff is building a truck. That's why there are so many "projects" for sale with gobs of unused parts. Get the basic truck built with blood, sweat and tears, then the goodies.
A 52 235 does not "need" power disc brakes. Especially if you are skimping right now. Go out there and work on it. Brakes can be done anytime or last.
I am a mechanical engineer also. "Interference" is just a minor fun challenge for us. So don't sweat that.


Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn