Re: [alfa] Which Spirax?

["Daegrigg (Don)" <daegrigg@xxxxxxxxxxx>]

Don,

The correct spec is 80W90HD.  SAE (Society of Automotive Engineers)
classification is J706G, API (American Petroleum Institute) GL-5.  What
follows is included at my own peril (and possible ridicule) but here it is.
Browsing at my local Wal-Mart,  I found a 5 quart bottle of gear oil that
meets these exact qualifications.  Given the hassle finding Spirax in
reasonable quantities, I investigated and found that indeed on paper it
meets the specs in the Alfa shop manual.  Bought, used it and my gearbox (so
far) is fine.  Or, you can hunt for Spirax.  Refill on your box should be
1.85 liters.

Don

----- Original Message -----
From: Don Banfield <banfield@domain.elided>
To: <alfa-digest@domain.elided>
Sent: Wednesday, October 01, 2003 7:44 PM
Subject: [alfa] Which Spirax?


> Hi Folks,
> I don't want to start the spirax or not debate again, but I sat
> down today to find myself some Shell Spirax (right or wrong) for my 88
> Spider Veloce.  I surfed the web and found this site:
>
> http://www.shell-lubricants.com/products/products.php?c=3
>
> which lists 3 types of Spirax! And each of them are available in 2
> different weights!  Perhaps this confusion is why some have received
> different results than others, while all are using "Spirax".
>
> My question is:  Which one do I want:
>
> Shell Spirax HD 80W-90
> Shell Spirax HD 85W-140
> Shell Spirax EW 75W-90
> Shell Spirax EW 80W-140
> Shell Spirax S 75W-90
> Shell Spirax S 80W-140
>
> I'm guessing the HD 80W-90, but anyone have a more definitive answer?  And
> if this is for my tranny, should I be using the same thing in my diff?
> There's even a mysterious reference to a Spirax LS for use in limited-slip
> diffs on the specs page for the HD Spirax....  I couldn't find this LS
> version anywhere else on their page.
>
> thanks for the help,
> Don Banfield
>
>
> Don Banfield Senior Research Associate
> banfield@domain.elided                   Cornell University Astronomy
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