Use a table ban saw to hack off the 340 piston crown .
This thread did get my wheels turning on other fine ways to do things
I had a bottle of Gorilla glue. So glued sand paper to my brake shoes and pads. Wet them with used oil. Put the car in jack stands, not much later I had resurfaced drums and rotors. No need to get then turned on a machine, the car turns them just was good as them fancy on car machinez. Justa drag the brakes in gear some.
I still got some glue left. So looking into materials to re-line my pads and shoes with.