[alfa] Re: Spirax 80-90HD

[jeff clark <jeff.e.clark@xxxxxxxxxxx>]

>  Date: Tue, 2 Nov 2004 13:09:12 -0600
> From: "Andy Menapace"
>  <Andy.Menapace@domain.elided>
> Subject: [alfa] Spirax 80-90HD
>
>  I just bought a five gallon bucket of Spirax.  That's what
>  the owner's manual calls for.  Before I open it, can anyone
>  tell a good reason not to use it.  Is the Redline oil
>  vastly superior?  I know this is an often discussed topic,
>  and I hate to bring up a dead horse for another round of
>  beating, but I really need to hear some reassuring
>  comments.  I had been using Castrol, but have been told
>  that my differential over-heating problem may be due to my
>  using the "wrong" gear oil.
>
>  Andy Menapace 79 Spider Brandon, MS
I can't speak much to your overheating issue, but If the Castrol you 
were ( are ) using is API GL5, I wouldn't worry about the oil, 
causing the hotness.

My owners manual ( 1982 Spider ) says that the diff/trans/steering 
box use: SAE 80W90 API GL5 oil.

Several Commercial equivalents are also listed:

AGIP - AGIP F.1 Rotra MP SAE 80W90
Shell - Shell Spirax 80W90 HD
IP - IP Pontiax HD SAE 80W90

Personally I use Redline 75W90 High Performance Gear oil for all 
these applications. Some people I understand use Redline MTL ( for 
trans ), but this has only a GL4 rating - it might be ok, but....
Hey, anyway, Redline sounds like it's certainly easier to get...( and 
I like to support my local brewery, uhh, refinery )

But what you have is recommended, soooo....

:)

ymmv, yada, yada

--

jeff clark
82 Spider Veloce
99 BMW R1100S
jeff.e.clark@domain.elided
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