Diff key plug

[Act Daft]

Started doing a bit of winter maintenance
Gonna drain and refill the axle differential but what size drain plug key do I want?????

Also whats the best oil to use on the LSD type?

[Toltec]

The ones on my 350 and 400 were just square drive, cannot remember off hand if they were 3/8" or 1/2". You hopefully have both sizes of socket drive in your toolkit?

[pjtvr390se]

I'm sure that when I did mine I didn't need a special key, a 1/2 drive ratchet fitted perfectly!

As for oil I used Castrol syntrans LSD oil as this was one of the suggestions made by the guy that rebuilt my diff. I

[Act Daft]

Thamks for that, was thinking 3/8 square but wanted to check.