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      01-26-2010, 01:17 PM   #9
bioman
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Drives: E30
Join Date: Apr 2009
Location: Socal

iTrader: (0)

Looking over a Castrol Spec Sheet:
http://www.ge39.com/files/SAF_XO_SAF_XJ_B1174_96.pdf

SAF-XJ (75w-140) for LSD Diffs.
SAF-XO (75w-90) for Open Diffs.

I'll put in some RedLine 75w90 and see how it goes.

Last edited by bioman; 01-26-2010 at 03:20 PM.