Found the cause of the clicking noise...
...from the rear of my Z and it wasn't the u-joints, spindle washer, or lack of lube on the spindle. The leaf spring end bushings were toast...looked ok on the outside, but there was a whole lotta nothing in the center as the bolt was nice and shiny from flopping around on the leaf spring and knuckle eyelet....poly bushings are going in this time. The u-joints look ok but i'm going to replace `em anyway since I've got it apart.
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