OK finally got the tranny back in and the car down on its shoes and on the road. This solution is exceptional IMO. There is basically absolutely no play in the linkage at all and if there is any increase in NVH its minimal at worst. The annoying rattle that had plagued the shifter since I put in the Kartboy shift lever is entirely gone now, it was likely due to metal on metal contact in that u-joint. I am guessing the oem bushings were largely shot and have been since I got the car.
I give this mod the