Originally Posted by Reza Mirza
Use the semi synthetic blend. Blue bottle. I run that straight in the tranny and t case, or mix with BG II as I mentioned above.


Back from the dead, but I went to CTC to grab some 'blue bottle', and it now says " good for gl-4 and gl-5 applications".
Aacckk, now did they just change the label and its still safe or what? CTC did not have any GL-4 only rated 75/90.

89 Colt 4g63t