have you checked the semi trail arm joints for wear
if they are worn you are best replace them with OE as they are spherical rose joint
do not replace them with any form of alleged uprated silicon type bush
You also have the alternative of running a 6 degree beam
some are single rose joint some are double rose joint
price is 1k
you can then adjust the cambers and toe
you got ant pics of it side on showing the ride hight