Thread: Pictoral Guide to Changing Transmission and Rear Diff Fluids- 5MT 05+ Legacy GT
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#280: 12-09-2012, 07:32 PM
 
 05 LegacyGT
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The regular Redline 75w90 has the friction modifiers needed for LSD's already in it where the 75w90ns does not. So with the 75w90, no additional additives are needed for the rear diff.