Quote Originally Posted by BonesWK View Post
Anybody have experience with a Diff whine?
ONLY with a '79 Bronco. Damn thing had just 13 teeth left on a 39 tooth ring gear, but she was still rolling when I drove it into the shop!

Look on the bright side - if it's going bad, now's the PERFECT time to go to those 5.13's, in anticipation of your 9" lift & 40" M/T's!