Pete. I shared the torque tube and driveshaft lengths I used in my 32 build in one of my videos.
Here's a link:
https://youtu.be/-mOo2eZX_2U?list=PL...tv75lSAjWveT0o
If you read the description I go through the lengths.
Note: If I were doing it again I would make them both about 6mm shorter to give better clearance at the rear crossmember.