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Old 02-17-2003, 07:39 PM
Ken300D Ken300D is offline
Registered Diesel Burner
Join Date: Aug 2001
Location: Northern Virginia
Posts: 2,911
The Mobil 1 differential oil product is a good recommendation. It is a synthetic oil and for me it has made the differential whine significantly less. I have also noticed the synthetic has a cleaning effect on the inside of the differential - had it apart to change axles.

A little more expensive than dino - but I think its a superior product.

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