All A-body manual boxes used the small sector shaft, no change was made. Actually goes for A, B, and E body manual boxes.
Trucks, vans, and some C-bodies came with a large sector manual box.
Looks like the tech page is back up over at BigBlockDart here
Steering Box Info
But here's the relevant commentary from the BigBlockDart tech page...
View attachment 1716207084
View attachment 1716207085
