This proved to be the best way to squeeze the support rubbers enough to allow the clamping bolt to fit nicely in its proper place. I perhaps should have installed the lower A arms first but, it was something I could accomplish today while I wait for paint to dry.
Paint is drying. I could have easily bought new bolts for everything but, Studebaker used such good steel in their fasteners that I hated to toss them out. 62 years after the car was made and all the bolts came off without any problem. So I’m taking a little extra time and using the originals even if they have a bit of rust on the heads. Paint should be dry tomorrow and then I can get on with the A arm installation.