Thanks for your thoughts guys. Didn't work on it today, maybe tomorrow, but probably saturday. Am a little leery of applying heat right next to the cv joint and boot. Rubber and grease do burn. Not that grinding is going to be easy and heat free. I may try a little heat at the diff. end, since that's where the threads are that are holding, not to mention the threadlocker... Will of course have a fire extinguisher handy.