What is the consensus of those who have been there done that?
Do you have to use 75w85, Toyota or Redline oil in all three diffs?
Do other grades work just as well, such as Mobil1 75w90, or Amsoil 75w110?
Do you have to use 75w85, Toyota or Redline oil in all three diffs?
Do other grades work just as well, such as Mobil1 75w90, or Amsoil 75w110?