[fleetsidelarry]

Did you get the lower cups off? If not, now that the springs are out of the way, soak the cup nuts good and use a crescent wrench to see if you can get the cups off. Even if they snap off you can then just drive the rest of the bolt DOWN through the trailing arms which will be way easier than trying to drive them UP as you can support the arms and get a better swing with the hammer. I my opinion, drilling will be tough. I think once you can get a good whack at that bolt it will start, also, with the cups out of the way you can soak the bolt better.