Quad Shock Removal

[PeTr0]

I need to flip over my quad shocks to fit in my larger tires(255/40/17) in the rear. I cannot get the bolt or nut loose on the axel braket. The bolt it starting to get a little rounded off...I am getting a little frustraded. How do i get these things off?? should i just cut them off and get some good control arms? How bad would driving without them be for a little while.

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Red 1993 Gt- 3.55 gears,flowmasters,BBK Shortie Headers, BBK Hi-Flow H-Pipe, BBK cold air induction w/K&N, Pro 5.0 shifer, 130 amp alt., underdrives,65mm T-body,MSD 6AL and blaster tfi coil sony cd player and changer, kicker component speakers, Kenwood Excelon amp, 2 12" subs in the hatch,firehawk sz50 all around, timing bumped to 13 deg., ADS Superchip, and mobil 1 oil lubing the 302.
waiting to be installed: 190 lph fuel pump