Crazy alignment problems

My new rubber bushings came in, before I waste my time and ruin something, I just want to make sure I’m doing this right. I weld a washer onto the old bushing cup and drive it out of the LCA from the torsion bar side, then press the pivot pin into the new bushings, then press new bushings (with pivot pins in them) into the LCA?
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If have not you might consider welding on the stiffener plate and blast them first. I always have done pin first then press from the outer shell to install in the LCA, I find it the easiest way.