Update - Was able to back off adjusters after they soaked with penetrating oil for a few days. Drum came right off.


1965 Chevrolet C-60 292 Flatbed
2008 GMC Sierra SLE Z71 Crew Cab
1992 Chevrolet C1500 Cheyenne 5 Speed
2001 Harley Davidson FLHT Electra Glide Standard