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Mr A.the Hun

United Kingdom
65 Posts

Posted - 30 Mar 2022 :  15:29:30  Show Profile  Send Mr A.the Hun a Yahoo! Message  Reply with Quote
Hello everyone, I can't believe that this hasn't been asked before, but a search had zero results.
Does anyone have any recommendations for Gearbox and Overdrive oil? The Factory manual states Shell Super Motor Oil.
-- 1725cc Alpine engined Series 3 Rapier convertible, with overdrive (obviously).--
Thank you, enjoy your driving.

Sunbeam-mike

United Kingdom
165 Posts

Posted - 30 Mar 2022 :  17:09:25  Show Profile  Reply with Quote
I'm sure my manual says engine oil (20W/50).

Mike Hooper
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pruyter

Netherlands
323 Posts

Posted - 30 Mar 2022 :  20:47:53  Show Profile  Reply with Quote
No doubt: 20W50 will do! I myself use Castrol Classic oil.

Regards,

Peter

Edited by - pruyter on 31 Mar 2022 09:22:38
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Mr A.the Hun

United Kingdom
65 Posts

Posted - 30 Mar 2022 :  20:57:41  Show Profile  Send Mr A.the Hun a Yahoo! Message  Reply with Quote
Thanks, yes I was thinking maybe there was a better modern equivalent, more gearbox ‘centric’ so to speak. But as I say, my Rootes light vehicle 1725cc Factory manual specifies engine oil viscosity against temperature, but for the gearbox just says Shell Super Motor Oil. I guess I’ll just stick with the engine oil (I’ve been using Millers).
Thanks again.
Terry
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puffin

United Kingdom
21 Posts

Posted - 05 Aug 2022 :  10:48:25  Show Profile  Reply with Quote
I too think it sounds counter-intuitive to use engine oil in the gearbox, given the shearing forces it will be subject to- but it's what the handbook says! I've used the Miller overdrive oil in the overdrive gearbox of a Vauxhall Ventora (installed in a Vauxhall Sports Hatch- 1976) with no problems, but don't know who made that o/d unit...
ATB
David
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