Okay I'm mental.
I did NOT read that he was using a 700R4 until I re-read it.
SORRY. Okay, then NO, you can't use the torque tube. You'll have to get a driveshaft made for the right length.
The advantage to using the new tranny is that you can position an automatic for the best engine location, so that none of that firewall clearancing would be necessary.
