I use mobil1 full synthetic gear oil in my tranny and diff.  The transmission 
shifts smoother than with conventional gear oil.
Terry Geiger
74 TR6 Mimosa Yellow
> -----Original Message-----
> From: Rob Pennington [SMTP:robp@ncsa.uiuc.edu]
> Sent: Monday, July 01, 2002 7:32 AM
> To:   6pack@autox.team.net
> Subject:      Diff lubricant?
> 
> What are people recommending for differential lubricant?  I'm replacing 
> mine right now and was wondering what the concensus was for this.  BTW, I 
> haven't been able to find Castrol HypoC around here (central Illinois).
> 
> Rob
 
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