'86 5KCSTQ Center Diff Oil: was Gear oil for manual g/box of 90` 80

["Mark Pollan" <Mark.Pollan@MCI.Com>]

Hi All:

I am awaiting delivery of some MT-90. Have the Redline 75w90 GL-5 for
the rear diff. My question is, does the center diff and the gear box
share the same oil, i.e. MT-90?

TIA,

Mark Pollan, '86 5KCSTQ 233K Miles