<VV> Tranny/diff fluid levels

BobHelt at aol.com BobHelt at aol.com
Tue Jul 26 12:31:01 EDT 2005


In a message dated 7/26/05 8:01:26 AM US Mountain Standard Time, 
kirbyasmith at gwi.net writes:

> With respect to diff oil.  Modern 8Xw90 differential oils are usually 
> GL5.  This stuff has sulfer compounds that eat brass syncros when the 
> oil is very hot.  If your oil never gets hot, then no sweat.

Kirby,
Where did you ever get this crazy idea? It's just not true that GL-5 will eat 
brass synchros. GL-5 may not have the same protection as GL-4, but since most 
GL-5s are also rated MT-1, they do have adequate synchro protection. 

Regards,
Bob Helt


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