Not sure what fluid in front diff
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I've used Mobil Delvac 75W90 in the past. Same as the gear lube in the tranny. Does not use much up there. Under a litre. IIRC.
Last edited by LexVan; 08-24-2017 at 11:47 AM. Reason: spelling
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I used Delvac in the front diff, and the Porsche branded oil in the transmission - rumoured to be Shell PTX. I used the branded oil because it has better cold shifting characteristics, or at least that is the feedback from the people I have changed the oil for.
Cheers,
Mike
Cheers,
Mike