Thanks guys, its nice to be welcomed !
what actually started all this was heart over head purchase of a Moto Guzzi with a sheared exhaust header stud, that's removal can only be described as a comedy of errors. The current thought process is that if i have the right tools for the job I'd stand a fighting chance of not making it worse 
Ian S C, your entirely right, I made some vice jaw liners from copper with only a handsaw, drill, file and several blisters.
Bazyle, a mill seems like to right start to me any thoughts one the Aciera F3 for sale
Aciera F3 Universal Milling M/C