I'm sure you saw on the bolts that did come out, they're coated with loc-tite. Try heating it up some to break that bond. Also, drag a razor knife around the head to break the paint bond, every little bit helps.
'01 60th anniversary ed. TJ 4.0 3 speed auto, 2.5" susp lift, 1" MML, 33X12.5X15 MTR's, weekend toy.