mjhcobra,
Nice thin pin drive adapter.
Can't make out from the picture how close the strut rod or the end of the upper a-arm is to the rim.
Mine are 17" wheels so the upper a-arm isn't an issue.
You could probably measure how far in the wheel rim could go and maybe borrow one to try?
If you won at poker last night maybe this would help:
Wheelrite - Wheel & Tire Simulator by Percy's High Performance, Percy's Performance, PCY-01201
Seems like you could also make one out of some scrap material. The most important part of that would be the rim; the tires will probably(?) clear.
BTW, is that a split in the upper ball joint boot? Or just a mark that the camera picked up?
Tom