Never heard of that problem before.
Did you check your bearings? A bad bearing could cause your ring gear to "walk" but I think you would hear the rear end howling.
__________________
Good luck!
Brad R.
1992 L.X. 5.0 coupe
MODS: A few little bolt ons
New Best time ...11.60 @ 128 mph @ 2000+ ft altitude.
Rice Haters Club member #39
Users rides #2542