Davidad - tried the video but no luck loading.
Anyway - tried to chase the threads with a tap tonight but still slipping.
I'm handing it back to owner and suggesting he call around to see if anyone locally has used a helicoil or is willing to drill out the RD hanger hole to install a frame saver. I don't have a drill press and would be running a hand drill and I'd rather not learn how to drill straight and level on someone else's bike. Same goes for helicoil If I screw it up I'd feel obligated to replace the frame and that would not be stress free.
I'm sure either method will be very cheap but he can make the call.
WGB