833 question

All OD boxes have the 3 - 4 shift lever upside down if they are put together right. Therefore, just rotate the shaft to find out. To do this

1.....Put the box into 3rd gear as if it were a 4 speed. To do that rotate the front shifter shaft CLOCKwise

2.....Rotate the front shaft carefully 1 full turn while watching the tailshaft.

If the tailshaft rotates MORE than 1 turn, it's an OD box

If the tailshaft rotates LESS than 1 turn, it's a conventional 4 speed

If you cannot tell, or it seems to be 1 turn, you screwed up and put it into 4th gear (4 speed) or 3rd gear (OD) in either case the "straight through" position.