That front bolt has likely rusted itself to the steel sleeve that runs through the middle of the bushing. I imagine you will have to use heat and destroy it to get it apart.
__________________
1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars
went and looked at one that was removed, i did nor realize the bolt was splined into the large dished washer now i just need to free it from the mount and that should make it easier
__________________
Surrey BC
1963 Acadian Beaumont Sport Deluxe http://www.63acadian.com/