When I used PB Blaster to get the wheels separated from the hubs on my '38 1-1/2 ton, it took most of a week for the stuff to start moving with daily applications of PB Blaster.
Might give it a few more days before trying anything major.
'38 Chevy 1-1/2 ton '49 Chevy 1/2 ton '54 Chevy 6400 2 ton '55.2 GMC 3/4 ton '56 GMC 1-ton
