Posi additive in Australia

[Ue]

Hi All,

Does anyone know where I can buy suitable Posi Diff Additive in Victoria, Australia for my 68 SS/RS 12 bolt?

Cheers,
Ue

[rodent]

Autobarn, Burson, Repco and a lot of other smaller retailers stock it.

https://www.penriteoil.com.au/applications/car-4wd/gear-oils/limslip-additive#/

[ban617]

I believe most of the differntial fluid here in the U.S. has the additive in it for the clutches..

[69Z28-RS]

The original (60's and 70's) GM posi additive was supposedly made from 'whale oil', and when they were going to discontinue it, I bought a few bottles.   Attached are photos of two bottles of additive and a bottle of diff lube I bought from GM before that happened in the late 70's..  been on my shelf for the Z28 for a LONG time now..

I have no idea what GM sells for (old) posi axles nowadays...  ??

[ZLP955]

Whale oil? No wonder it stinks......
Here's what is currently available from ACDelco, but plenty of good aftermarket alternatives. Pretty sure I used to be able to get this or equivalent from Holden back when I had a VY SS....

[crossboss]

Go to your local Ford dealer (really!) and purchase 'Friction Modifier' for clutch type rear ends. Why the Ford product you ask? Its the best...seriously.

[ban617]

Most all the rear end line that I have seen has it ...