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Aussie 9 bolt diff internals were orange?

Old Sep 10, 2023 | 06:19 PM
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Aussie 9 bolt diff internals were orange?

Who knew the inside of the Aussie 9 bolt rears was orange? I've never been inside of an Australian model. Pretty neat. I'm guessing the yellow marking with text was the person who built it at the factory?



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Old Sep 10, 2023 | 07:18 PM
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Re: Aussie 9 bolt diff internals were orange?

Looks to have painted with Glyptal.
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Old Sep 10, 2023 | 07:53 PM
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Re: Aussie 9 bolt diff internals were orange?

Yup, one of the most common forms of the Glyptal company's products. 1201A to be specific. Looks like whoever took that pic had painted the pumpkin with it, and then smeared that yellow gear marking compound on the ring, and scribed that hand-written number in it. How quaint.

https://www.thirdgen.org/forums/tech...ml#post6475687

I doubt ANY of that is "factory".
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Old Sep 10, 2023 | 08:08 PM
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Re: Aussie 9 bolt diff internals were orange?

Odd. I called the original owner this evening (whom I got the car from) and he explicitly said nope, never been worked beyond fluid changes.
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Old Sep 10, 2023 | 08:39 PM
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Re: Aussie 9 bolt diff internals were orange?

Meaning, S/HE never "worked". Not necessarily that the rear hasn't been "worked" though.

Didn't come like that.

Nice gears though. Not "the best" maybe, butt, pretty nice.

Last edited by sofakingdom; Sep 11, 2023 at 10:01 AM.
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Old Sep 12, 2023 | 07:53 PM
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Re: Aussie 9 bolt diff internals were orange?

The Glyptal was applied at the Borg-Warner Factory.
It's Stock.

They were not as cheap as GM, Ford, or Chrysler.

Also note the 4 Spider-Gears instead of the typical/ Common 2 being used.
A Relatively simple and inexpensive way to distribute Load better, and add Strength.
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Old Sep 12, 2023 | 09:09 PM
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Re: Aussie 9 bolt diff internals were orange?

Yep, I've met a few others that have the same thing from the factory. Apparently it was an 88 and up thing? Most of the folks with 86-87 are not orange inside? Or was it only o n the 3.45 cars?
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Old Sep 12, 2023 | 09:16 PM
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Re: Aussie 9 bolt diff internals were orange?

Pretty amazing. I've never seen one that had that from the factory. But of course, I haven't seen near "all" that there ever were.
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Old Sep 13, 2023 | 11:27 PM
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Re: Aussie 9 bolt diff internals were orange?

Originally Posted by Nutro
Yep, I've met a few others that have the same thing from the factory. Apparently it was an 88 and up thing? Most of the folks with 86-87 are not orange inside? Or was it only o n the 3.45 cars?
My 1986 FireBird with 3.27:1 Gears came with it.

I don't really remember seeing any without it... not sure.
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Old Sep 14, 2023 | 07:05 AM
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Re: Aussie 9 bolt diff internals were orange?

Well there goes that theory haha
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Old Sep 26, 2024 | 08:34 PM
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Re: Aussie 9 bolt diff internals were orange?

Just opened up my '85.


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