Would I be ok using this oil for both diff and gearbox. I have a \'94 Jap import and am not sure if these are fitted with an LSD as standard:
Motul Motylgear 75W-90 Synthetic Gearbox and differential lubricant Technosynthese
(http://www.opieoils.co.uk/images/VARIANT/large/1129.jpg)