Greg drills and taps a hole for a bolt in the beam. This bolt prevents the inner bushing from sliding in too far. If the inner torsion bar bushing slid in too far, you'll have that kind of massive play.
It sucks Ed, but I'd separate the ball joints from the spindle and get in there.
The good news is the upper ball joint will usually come out with the camber adjuster attached with no effort, just remove the nylock nut from under the spindle.
P.S.: Language is TOTALLY understandable!
Bonus points for using the word "crux".