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Gearbox Oil on '81 Corolla KE70

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Hi all, I have a 1981 KE70 and need to know what gearbox oil to use (it has a 4k engine with a 5 speed manual trans). I have done quite a bit of research in the forum, but I need to be sure

Is it 80W90 or 75W80 or something else? Any other variable to worry about when choosing the oil?

 

Thanks! Looking forward to your answers

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Don't over think it. I usually just consult the penrite oil product guide when looking at oils. 80w90 seems to be the go. Any brand you like. These days I generally just buy a brand  name that is on special. Reality is any "Mineral manual gear oil" will do the trick. 

They all smell just as bad in gear oil:)

 

ke70gboxoil.png

Edited by ke70dave
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That was fast, thanks! I'll go with that then. 

What made me doubt was seeing a couple posts here on the forum saying that you should't use 80W90 unless it was going in the diff. I guess you can use it for both.

Anyway, thanks again! Greetings from Argentina

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Back in my ke70 days i used the same stuff in gbox and diff, stinky bloody gear oil. Don't think it makes much difference. 

Argentina hey, where abouts? 

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Do not use gear lube with a GL-5 or GL4/5 rating. Only use GL-4 or GL-3 in the trans. Using a lube with the GL-5 rating long term will destroy your syncho's in the these older trans designs that have brass alloy syncho's.  DaveW

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