[Healeys] Oil Changes

[Dallas Congleton]

Chris the webpage for Penrite HPR has the following statement   " Penrite 
HPR meets the requirements of API SL ".  This requirement included the 
reduction of the zinc/phosphate levels in the oil and if they meet the API 
certification , then it is low enough to satisfy the Feds ( at present- they 
keep lowering this spec) regarding the contamination of catalytic 
converters.  I see their impressive paragraph about older engines, etc, but 
the bottom line is that the API spec of SL.
The  spec sheet show some numbers for zinc, but is like voodoo to try and 
follow all these different methods of measurement  and extrapolate to how 
much we need and how much is in the oil.

"Oil ain't what it used to be" - even the same brand, same label-

Dallas



----- Original Message ----- 
From: "Chris Dimmock" <austin.healey at gmail.com>
To: "Oudesluys" <coudesluijs at chello.nl>
Cc: <Editorgary at aol.com>; <healeys at autox.team.net>; "Greg Mandas" 
<gmandas at yahoo.com>
Sent: Monday, September 13, 2010 5:50 PM
Subject: Re: [Healeys] Oil Changes


>I have been using Penrite HPR 40 oil for years.
>
> Designed for large capacity, old style 6 cyl high perfomance engines
> Formulated to API SL. Plenty of ZDDP - i.e. 1760 ppm
>
> http://www.penriteoil.com.au/pis_pdfs/HPR%2040%20JAN%202010.pdf
>
> http://www.penriteoil.com.au/tech_pdfs/149%20LATEST%20ZINC%20LEVELS.pdf
>
> Chris
>
> Sent from my iPhone
>
> On 14/09/2010, at 5:26 AM, Oudesluys <coudesluijs at chello.nl> wrote:
>
>>  I have the feeling that ZDDP is an American issue. I never heard it
>> even mentioned in Europe let alone a lack of it or a lack of it  causing
>> problems. What is a problem is that it is getting more difficult to  get
>> 20W50. In most autopart stores it is not available off the shelf 
>> anymore.
>> Kees Oudesluijs
>> NL
>>
>> [demime 1.01d removed an attachment of type text/x-vcard which had a 
>> name of coudesluijs.vcf]
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