alignment woes ..offset bushings

I have had this car to 2 diff shops and driving it still sucks..i know little of aligning ..what im thinking of doing is to replace the upper arm bushings to offset..has anyone replaced the bushings with the spindle and lcr still connected i can remove the uca cam bolts and i have all the tooling to remove and replace the bushings with a impact gun using tooling iv made with 1/2 13 bolts and all necessary pullers and pusher bushings..anyone done it..do you have to take the load off the t bars..any help..j