I lifted with Old Man Emu 912's 4 yrs. ago and haven't had an issue besides the general whine on acceleration at freeway speeds and a very light grumble on decel. This is a different & more noisy/feely thing...but tonite (when i get outa work) I'll start with greasing the driveshaft and I'll check the rear diff fluid out. I wish I had off today! Thanks for the help folks