More work on the gearbox. Just a little at a time. Hard to find time this time of year. I faced both gasket surfaces and drilled out the steering shaft hole to 1". It had some burrs so it was mostly just to clean it up.
I only took off a few thous on the gasket faces. I only did this to eliminate any surface imperfections.
I also used a 3/8 - 18 pipe plug tap to chase the plug hole which had some gunk in it.