Ive started to undo the underside of the sapphire in preperation for a few new bits, diff and beam ARB etc only the bolts holding the anti roll bar into the floor are rotten, cant get a socket on the heads they are that bad, already snapped the outside bolts from the front seats as they are seized in the captive nut, any ideas how to remove knackered bolts and snapped seat bolts. Im running out of WD-40, spanners and patience Will I have to angle grind all of them off and drill them out or??? HELP!!