Great info, thanks.
It does look like the offset means the okie bushing should seal the propeller shaft ok.
I am a little concerned about if the gears and bearings are too sloppy. But it might be worth reassembling to try it out.
The perpendicular question is the one that I cant find any info on. There does seem to be a little fluid seeping from the gap between casting and tube. Will that seal with reassembly? I remeasured from the backing plate to the front end of the tube 71 3/4" on the left side and 73" on the right. But I dont know if that measure is supposed to be equal - the carrier casting is not symmetrical.
