Posted 1/13/2021 19:15 (#8748866 - in reply to #8748781) Subject: RE: late update on glazed diesel generator .... from my November2020 post.
Faunsdale, AL
It was Bon-Ami powder that was dusted into the intake. As near as I can tell it’s just powdered limestone.
Those liners must have been extremely hard. Instead of a stone, during overhaul, they had an electrolytic process to etch the liners using a battery to energize a mop soaked with acid as the electrolyte.