Gear lube?
FWIW, I used this in my '05 clutch 9-1/4" corporate LS......
It was clicking and chattering all the time with it. Stopped at the dealer for a bottle of the Mopar stuff, got it in, and it stopped all the click-n-chat.
This also works well............
Friction Modifier for Limited Slip Differential/Posi/Suregrip (doctordiff.com)
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