I finally got around to driving my truck (with the spare tire on the right front) outside of the neighborhood (25 mph speed limit) yesterday. As soon as I reached 40 mph the wiggle was back. I immediately turned around and limped home at 20 mph or less.
So it looks like the busted wheel was symptom, not a cause. Or maybe the other front wheel is about to come apart. I dunno.
Plan B (in the next few days):
Jack up the front end.
Spin one tire at a time looking for wobble. I might have to make some kind of runout gauge to better understand the problem.
"Tune in again next week when our hero ......."
'57 GMC 102, Original 347 V8, HydraMatic, 3.08 rear gear, added A/C, disk front brakes, HEI, AFB carb, '98 Honda Black Currant paint. T-boned and totaled 10/12
'52 GMC 152 Stake Bed, Original 228, SM420, added A/C, HEI, disk front brakes, '67 Chev 3.55 rear gear. Gets used as a real truck.
| 
