Get those bloody bushes out.

New leaf springs arrived with front rubber bushes. I had new prothane bushes which I got off ebay. First question any one know how to get them out (the rubber bushes ) have almost thrown out back and split 18kg hammer, trying to get them out.
2/. The original bolt that goes through carrier is approx 12.56mm (.495"?) the I.D. of the sleeve in the bush in the eye of the spring is 15.31mm (.603"?) . I would think that they should be a snug fit?
:banghead: And just to prove that I would not win a kick in a riot, the I.D. of the prothane sleeve in the kit I got off ebay is 11.12mm.(not enought meat in them to drill out)
It is at this time a new Kia is looking attractive.