Gearbox and diff oil

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Gearbox and diff oil

Postby vauxhallbitz » Mon Jun 03, 2019 11:25 pm

What oil do you use for the gearbox and diff on a 1256 Viva?
1958 CA Bedford Dormobile (Porthole)
1960 Vauxhall Cresta PA
1975 Vauxhall Viva E Coupe
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Re: Gearbox and diff oil

Postby HC Fairley » Tue Jun 04, 2019 9:50 am

SAE 90 for the Diff, not sure about the gearbox
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Re: Gearbox and diff oil

Postby 1972nail » Tue Jun 04, 2019 11:04 am

EP80/90 multigrade is correct for diff, gearbox and steering rack.

Don't use modern GL5 spec, it's too slippery for our old synchromesh systems and you'll get a poor gear change. You need GL4 spec. Millers make a Classic formula GL4 spec which is perfect.
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Re: Gearbox and diff oil

Postby vauxhallbitz » Tue Jun 04, 2019 7:47 pm

Thanks guys.
1958 CA Bedford Dormobile (Porthole)
1960 Vauxhall Cresta PA
1975 Vauxhall Viva E Coupe
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Location: Rosyth, Fife , Scotland


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