Not much. You need appropriate sized balljoints and sockets, epoxy putty, drill and probably a good vice to hold the parts for drilling. You can get the balljoints at hlj.com, but I'm not sure which size yet. I'm going to try this on mine, see here...
http://www.macrossworld.com/mwf/index.php?showtopic=11036
ok... cool thanks...
keep us posted whether the size your choose is the perfect ones..... thanks