On my '65 the uppers were riveted in. I had to grind off the heads and then use a punch to punch them out. The lowers are best taken out and off with a ball joint press you can rent from an auto parts store. It may help to spray the lowers with WD40 and let sit overnight.


Tom
1965 Chevy C10, 230 straight six, 2WD, 4-speed manual