Vombrown
Mountain Man
I still have concerns with the ford NP 205 (drivers drop) going in there.The NV4500 mounts in the same location as the 465. So no need to move the cross member. The difference is that on your '81 you should have a flat cross member with 2 separate tranny mounts. The 4500 mounts higher than that so a 3.5"ish spacer between the mounts and tranny is needed to take up the difference. That's it