I use the ears on the trans.[727]. They are just infront of the crossmember. I believe they are there to hold the trans during assembly.

A simple strut/rod back to the crossmember will do it.

70` Cuda`,440 6BBL Jerico,Dana 4.56 Still on 93 Pump Gas
9.87 @ 136/1.31-60ft.`09 Mopar Nationals PASSON PERFORMANCE "Stick-Shift" Champ!
2013 StickShift Challenge Winner@ Mopar Nationals!