871 Blower Scarred

Last season I broke a rod. Pieces of the piston and other material somehow went from the crankcase to the top of the blower and back down.
When this happened the metal scarred the case from front to rear pretty bad. Bad enough I don't want to use it this way.

So my question is, can the case be honed to take the scarring out?
If I were to get it honed could I just increase the thickness of the teflon to get the clearance I need?.

Would I be better off to just get another case ?

I have a...

871 Blower Scarred