While the metal work for the fenders was happening the crazy Mark Stielow garage sale classified post went up and I was able to score one of the T56 transmissions he had for sale.
From my understanding the trans is an F-body case Magnum that's been gone thru by D&D Performance and beefed up even further. This is to behind my 6.0 LS motor that picked up in the early weeks of have the project.
And of course Stielow delivered: