I finished up the hitch today. I'll either have to move "stuff" or move the bus to try out hitching up the towd.
This is the bracing I put inside the bumper. Final version changed a little. I had to cut notches in the brace to clear air conditioning pulleys.
It still gave a little, so I tied it into the lower engine mount. It doesn't give at all now.
Here is view of everything installed.
Putting the pin in is a little tricky, but can be done from above or below. Not with the engine running though.
I couldn't get any usable pictures that showed the inside when mounted.