A833 O/D gears in an A833 1:1 ?

The countershaft cluster gears are very different in height and pitch, to match the O/D gear set on the main shaft. All of the gears would need to be changed.

I think the idea is that you can put an entire set with shafts into any case, provided it has the right bearing.

The only A833 O/D that has an iron case from memory are the late '70's pickup trucks. I'm thinking it's going to be a lot easier to just swap the gear set into any A833 iron case that uses a rear 308 thrust bearing, given all of the gears and shafts, along with the short tailhousings match.

I'm likely not going to hurt an aluminum transmission, but I'm not very interested in sleeving one and I know I can come by an iron A833 a lot easier.

The only thing I don't know about is the actual countershaft itself. They call for different countershafts and plugs, so I'm wondering what the diameter and length differences are. If the O/D trans uses a smaller diameter countershaft, I don't see why a sleeve wouldn't work in the case to correct it. The countershaft floats in an O/D, which I know is not as strong, but I'm not pushing bone crushing torque or horsepower in this car.

The other advantage I can see to doing this is to eliminate the use of a larger overdrive front bearing carrier, so no machine work will need to be done on the carrier or bell.