Lateral Link woes

I posted this question over at LegacyCentral as well. Hopefully someone will be able to help!

Driver's side rear cv (inner) boot is shot so I thought I'd replace the whole shaft. To remove the shaft you're supposed to remover the disc, hub nut etc then the lower link bolt. Then push the hub outward and remove the shaft. Hmm, easier said than done. The nut on the link bolt was a little reluctant but nothing a good long breaker bar couldn't handle. Then tried to remove the bolt, not a chance! It's like its welded in there! I can't even turn it. (Actually I tried too hard, sheared the drive off my wimpy Craftsman ratchet) Any ideas on how to get that sob out? I am hesitant to put heat on it as that will likely be the end of the rubber bushings on the lateral links. Or should I forge ahead (nice pun huh!). I guess I could always replace the bushings. I have to get it done soon, that universal is howling. TIA.......Lorry