on the TA is the support rods that run from the top of the housing down to the the TA. I do see what you are saying in that you would use the support rods to set pinion angle. I would assume that Jake set pinion angle before he welded tabs on the tubes and shock/lower control arm mounts.
It may have a sperical bearing,but I would not know.
Brian Hobaugh SCCA National Tour June 2014
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