Best Gearbox oil ?

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Finny
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Best Gearbox oil ?

Post by Finny » Sun Sep 10, 2017 5:16 pm

Wonder what people find to be the best gearbox oil, for an original 3 speed EK manual gearbox.
I assume that the original spec is not available anymore ?
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Errol62
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Re: Best Gearbox oil ?

Post by Errol62 » Sun Sep 10, 2017 8:39 pm

https://www.googleadservices.com/pagead ... IOA&adurl=
Hypoid gear oil 80w90 is still readily available. Has an unmistakable smell which I love.


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Harv
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Re: Best Gearbox oil ?

Post by Harv » Mon Sep 11, 2017 7:21 am

Errol62 wrote:
Sun Sep 10, 2017 8:39 pm
Hypoid gear oil 80w90 is still readily available. Has an unmistakable smell which I love.
Taught Number 1 Son a few years back how to change gearbox oil with the 80W90 Hypoid. He now refers to it as Liquid Ass :lol:

Cheers,
Harv
Building an EK wagon (327 chev, TH350, Commodore diff/wheels/brakes, NSW rego), driving an original FB sedan, rebuilding an EK ute for Number 1 Daughter.

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Craig Allardyce
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Re: Best Gearbox oil ?

Post by Craig Allardyce » Mon Sep 11, 2017 7:16 pm

GLI-4 oil only. Not GLI-5 as is most the case with diff oils. GLI-5 isn't the best for brass components such as synchro rings that are subject to shearing forces.
GL4 GL5 oils.pdf
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