As Roy alluded to, once those parts start to fail there isn't anything you can really do other than open the engine up and see what the issue is. Say the bearings are bad, until you look at them and see what has happened with regards to the metals they are made out of has done. It could be that you will only need to replace the rod and main or maybe just the rod bearings, but if a bearing has started to flake apart or worse more than one, those pieces need to be flushed out and removed, then measure the parts in question and see what can be done.
The other option would be to find a used or remanufactured engine and swap that in and go through the one you have at a different time.
Tuesday, October 6th, 2020 AT 6:10 PM