Red Line 50205 MTL 75W80 GL-4 Gear Oil - 1 Gallon : Amazon.ca: Automotive
Penrite Manual Gearbox Oil 75W-85 2.5L for Toyota Land Cruiser FZJ VDJ HZJ 70 80 | eBay
R Synchro 70W-80 Gl4 Synthetic Gear Oil | Anglo American Oil Company
Effect of gear oil viscosity on transmission efficiency (Metro owners take note) - Page 2 - Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com