What oil in a GKN diff?

[Aussie John]

What oils are people using these days? cheers, John.

[Simon says]

Plenty to choose but I like http://www.opieoils.co.uk/p-736-castrol-syntrax-li...

[DarkMatter]

My GKN diff was rebuilt by Readman Racing who recommended "Morris XFS 80W/140" fully synthetic gear oil.

The question has also been discussed in this thread.

[Aussie John]

Thanks guys, will sort it today, cheers, John.