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Re: [Healeys] Syntec Oil

To: Bob Spidell <bspidell@comcast.net>
Subject: Re: [Healeys] Syntec Oil
From: John Vrugtman <javrugtman@htcnet.org>
Date: Fri, 18 Jan 2008 14:01:14 -0500
The website is a bit confusing.  The grade list states syntec 20-50 
meets SM requirements, but the separate line for syntec 20-50 has the 
additional label " Superior Formula for Classic Cars".  Also this quote 
at the bottom of the page:  * SYNTEC 20W--50 does not meet the catalyst 
compatibility requirements of vehicles manufactured since 1993

John

Bob Spidell wrote:
> According to Castrol, Syntec 20W-50:
>
> "Exceeds all car and light truck manufacturer's warranty requirements for the 
>protection of gasoline, diesel and turbocharged engines where API SM, SL, SJ, 
>SH, CF or CD is recommended."
>
> This implies--but doesn't state unequivocally, natch--that Syntec 20W-50 is 
>SM-rated, and AFAIK this means reduced Zn and P (i.e. ZDDP).  
>
> Anybody who has a bottle want to check the label?  Just wondering if Castrol 
>is trying to "have it both ways," or is there a "special" Syntec 20W-50 for 
>older cars?
>
>
> bs
>
> --
> ***************************************************************
> Bob Spidell         San Jose, CA        bspidell@comcast.net
> '67 Austin-Healey 3000             '56 Austin-Healey 100M
> ***************************************************************
>
>  -------------- Original message ----------------------
> From: Editorgary@aol.com
>   
>> In a message dated 1/18/08 9:00:24 AM, healeys-request@autox.team.net writes:
>>
>>
>>     
>>> Sounds like it's "regular" SYNTEC which, since it's also used with
>>> modern cars, would have to have reduced ZDDP in order to preserve cat
>>> converters.
>>>
>>>       
>> Don't get me wrong here.. I am not promoting or endorsing Castrol (don't use 
>> it myself -- I get a special oil through my mechanic Butch Gilbert). 
>> BUT just to keep the facts straight, what I would point out for those of you 
>> who don't want to go to the trouble and expense of ordering Amsoil or 
>another 
>> special oil (not that there's anything wrong with that)...
>> the website shows 20W50 Syntec oil in the marketing promotion that was 
>quoted 
>> on the MG list and 20W50 is NOT used in modern cars AFAIK. They all require 
>a 
>> much lower weight synthetic oil. Hence it is quite plausible that an oil 
>> company might be putting different amounts of ZDDP in their different 
>weights of 
>> the same brand of oil.
>> Just the facts, ma'am.
>> Cheers
>> gary
>>     
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