Technical T-10 Trans

What are you guys running for gear lube in these older trans? This one is a 63' from a LeMans or so I was told.

 

Told wrong.. 61-63's were transaxles.
85-90 w is fine for a T10

 

Thanks for the info. Does it need to be GL-4 non synthetic?


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I wouldn't recommend synthetic in in a used trans at this point. If it was a newly rebuilt unit you could probably get away with it but you got to remember the the blocking rings in the synchros we're not designed to use synthetic saying there was no such thing being marketed back then.

 

Yes on GL4.......GL5 will not offer adequate friction for the br*** rings

 

NAPA usually stocks Sta-Lube in GL-4, the "older generation" manual gearboxes need the GL-4 formula, that's what I got for my Muncie.
About two minutes of internet research will confirm it, just remember, not everything you read on the internet is gospel.

 

Right. I figured the collective knowledge here would know better. Thanks

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Brad Penn makes a GL4, the last bottle I bought a few months ago was from Richmond Gear. I find it harder and harder to find in regular old parts stores.. double up on the blood pressure meds if you have to ask for it at the counter...