I buy Redline gear oils from Flatirons Tuning in Boulder (Acura/Subaru dealer) for about $9 / qt. It's a pretty good price for Redline, and its local. They carrry the 75-90 gear oils and the MT-90 for manual trannys.
Not convenient for you, but I'm sure a Northsider could help you out!
1976 FJ40 - green and mostly stock
1996 FZJ80 - not so stock