833 trans, OD

I have std 833 in my A body, found a 833 OD, but with long tail shaft, ( pick up truck?)
can I swap out the tail shaft from my 833 , into the OD trans?
I have 340 in my A body with 8 3/4,
it is NOT a race car, never been, or plan to go to the track,
I've read thay aren't that strong, not debating they are or aren't,
just looking for rpm drop on the hiway, currently has 391 gears,

thanks

If you do this and decide you’d like to sell the longer mainshaft, I may be interested.