weird grinding noise from axle

[dashapht]

I have an Auburn differential (not the pro), FMS 3.73 gear, and stock axles. My diff. does the exact same thing yours does. It has about 7k miles on it, and as far as I know still works the same as the day I got it in there. It never opens up any..just make that grinding/rubbing noise when doing pretty sharp low speed turns. Usually it only does it when the car hasnt been driven for a few hours, so it may be lack of grease in the differential. Seems to be quiet after I've driven it a little.

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1993 LX Coupe Reef blue w/grey int. 68k miles Mac long tubes 1 5/8, 2.5 inch Pro chamber, 2.5 Inch Flowmaster 2 chamber cat back, C&L 73mm MAF, 25% Underdrive Pulley, Mac Cold Air, Tri-ax shifter, 3.73, auburn diff, motorsport alum. driveshaft, BBK subframe connectors, Cobra R replicas with 255/40/17 Nittos , best time on radials 9.26@77 in 1/8th with 2.08 60' Just got ET streets. New times to come.