LSD or Transmission Trouble? [Archive] - Toyota MR2 Message Board

lsd, noise, transmission, trouble, wheel bearing, tire, drove, rear, noticed, turning, size, differential, pinion, pulsing, 225/50-15, miles, viscous, thoughts, replacement, ahead, worse/louder, mismatch, albuquerque, cooled, overnight, worrisome, progressed, straight, home, repetitive, 500-600, 25jun12, issues, monday, immediately, 20+mph, clue, system, attributed, differentials, experience, morning, matched, bearing, tires, changing, today, overheated, fear, driving

All, I need your help to troubleshoot the following: a speed-related noise/drone coming from the differential/transmission. The car: