Those shoes make great door stoppers, paper weights, window weights, put the two together, small row boat mooring. I have 4 Fisher plows and have never ran shoes in 26 yrs. If the ground isn't frozen hard, you might have to "feather" the plow so it doesn't dig into the dirt too far.
Mine are off too, however i think im going to put them back on but keep them raised as high as possible so they dont touch the ground but are on for a little extra weight. I know, I know, they only weigh like 5lbs each but every little bit helps, especially trying to back plow. By the way, very nive looking truck wildcatter. Mike