I posted this in a thread the other day but I thought it merited it's own thread.
Sick of the drips of oil on the parking bay outside the house Professor Pete put his thinking trousers on and came up with this:
You can just about make out the inset bronze bush.
Which fits on the back of the 'box like so:
Ignore the old roll pin system, that's gone.
The seal is a fork seal which is designed for twisting and back and forth movement, again from simplybearings. Should be an improvement on the commonly sold 'repair kit'
The roll pin has been replaced with a UJ and grub screw:
It's all hidden from the world by a PVC hose:
The insert in alloy housing is long enough so that the hose can be slid back from the UJ end for removal. If it does leak it'll be collected in the hose which we'll be able to see.