Ok, long time awaited update:
Just today swap has been roughly completed.
Project details updates: UZS131 engine with UZZ30 sump.
Crossmember is pre-88, not processed, the only cut - are the mounts walls to get ~420mm clearance for sump.
Square rubber mounts.
Stock UZS131 auto (and I will have to find out how to fit oil dipstick in there).
I can definetely say that the bonnet will hit the top of intake manifold. (btw UZA70 which is building in Vlad has the same issue with the bonnet).
So, here we go: