Posted by Bryan on Monday, November 07, 2005 at 4:22PM :
In Reply to: NOT just any gear oil though guys! posted by Ken Dunnington on Monday, November 07, 2005 at 2:52PM :
That is not accurate to my knowledge. There is no reason to mess around with GL1 anymore. GL4 is ok in the tcases and the transmissions even with yellow synchronizers. I think your info is wrong. I don't believe that most tcases have synchros so a GL5 should be fine in them as well.