I need your advice regarding my '72 240Z. Can't get either of my front end strut inserts out of their strut housing after I removed the gland nut. They should just slip out. They do not. Perhaps they are rusted in? I've saturated them in penetrant, heated the housings with a propane torch, tapped the housings with a hammer, and of course pulled on 'em like crazy. Got any ideas for me, please?