I have an email into them to see if they are still doing this, but would be interested to know the overview of their process. Are there any postings here or elsewhere on line that talks about their process? I looked at their website but didn't anything related to M3W.
As I understand it they have redesigned the gear set and modified the way in which the bearings are fitted.
Billy Bellinger is well respected in the Morgan 4 wheeler racing world, for rear axle and gearbox work amongst other things.