Author Topic: Posi additive in Australia  (Read 312 times)

Ue

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Posi additive in Australia
« on: February 25, 2019, 06:09:02 AM »
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
Cheers,
Ue.

rodent

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Re: Posi additive in Australia
« Reply #1 on: February 25, 2019, 03:53:23 PM »
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

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Re: Posi additive in Australia
« Reply #2 on: March 08, 2019, 09:51:32 AM »
I believe most of the differntial fluid here in the U.S. has the additive in it for the clutches..

69Z28-RS

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Re: Posi additive in Australia
« Reply #3 on: March 08, 2019, 10:46:24 PM »
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...  ??

Gary W / 09C 69Z28-RS, 72 B 720 cowl console rosewood tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe, '70 Mach I 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55-'56-'57 Nomads, '55-'57 B/A Sedan

ZLP955

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Re: Posi additive in Australia
« Reply #4 on: March 10, 2019, 05:27:44 AM »
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....
Tim in Australia.
1969 04A Van Nuys Z/28. Cortez Silver, Dark Blue interior, VE3 bumper, Z21, Z23, D55/U17, D80, flat hood.
Sold at Clippinger Chevrolet in Covina, CA. Ex-Racer at Lions Dragstrip in Long Beach.

crossboss

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Re: Posi additive in Australia
« Reply #5 on: March 13, 2019, 08:25:14 PM »
Go to your local Ford dealer (really!) and purchase 'Friction Modifier' for clutch type rear ends. Why the Ford product you ask? Its the bestůseriously.
Just another T/A fanatic. A new project in the works.