Re: Spirax

["Dean W. Cains" <dwc@xxxxxx>]

Hi Andrew, and Stefano:

Sorry I missed Stefano's original post, but one of my recently-acquired 
Spider's had Mobil 1 gear oil in its gearbox, which I promptly changed to 
the "correct" lube.  I like to use Kendall's Nitro 70w motor oil, BTW, but 
have used Spirax and both work very well.  I didn't feel the synchro action 
improve for several hundred miles, presumably until the hypoid additive 
slime was worn/washed off the synchros by the new oil.  So, to be sure the 
old stuff was fully gone, I changed the oil again at about 500 miles.  This 
is also not a bad plan if a gearbox is of unknown origin, as the oil may 
never have been changed, and 2 short-interval changes will insure a nice, 
fresh start.  I've always done the same with the engine and rear axle oil 
when starting with a "new" used car.

Regards,

Dean
Lutz, FL
'74 & '87 Spider Veloce's


At 10:40 AM 8/29/2003, you wrote:

> Date: Thu, 28 Aug 2003 18:06:53 -0400
> From: "Watry, Andrew (LNG-SFR)" <Andrew.Watry@domain.elided>
> Subject: Spirax
>
> Stefano asked about Spirax use. I don't know what conventional wisdom is on
> changing the oil or not after a few thousand miles, but I wouldn't think so.
> I don't think trans oil normally gets changed at frequent intervals.  I'm
> sure there's a recommended change interval, but I bet most of us driving
> street cars don't observe it.
>
> I changed from whatever-was-in-there in my 73 Berlina box to Spirax
> recently, and after a few hundred miles can't detect any difference.  If
> anything, the action might be a bit stiffer (that is, worse) than before,
> when warm.
>
> Andrew Watry
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