I recently changed out my leaf springs (one was broken). All I did for a couple of days was spray WD-40, or something similar, on it. After a couple of days it came off really good! And a little cheater bar always helps <img src="/forums/images/graemlins/pfft.gif" alt="" />
Good luck on what you choose to do <img src="/forums/images/graemlins/cheers.gif" alt="" />