Welcome to the Bolt to a fellow 1 tonner.
Have you tried 3 long pry bars at 10 o clock, 2 o clock and 6 oclock and a BFH? Drive them down in there they should start moving. If drum has no lip and you can get them to start moving , they should come off. Don't forget the 2 screws holding drum on. Why not cut the rubber hose to relieve the pressure on that wheel cyl, you will want to replace ALL Rubber hoses any way. Good Luck, I'll keep thinking back to when I redid my 3800 brakes. Jerry
Last edited by 1951Chevy1Ton; 02/18/2013 4:43 PM.