Ferrari Mailing List: Re: Oil Recommendation

[Erik Nielsen (judge4re]

The issue is the film that gets left on the cylinder wall, even with
the tolerances being in spec, you'd be surprised how much gets passed
the rings.  We dope our fuel with phosphorus to do accelerated aging
tests. The operating windows we design to are not as wide as most
people think.

On 8/25/11, Martin Stark <MStark [at] copper.net> wrote:
> Yes, but very good for flat tappet cams, and a healthy engine won't pass
> a lot of oil to the cats.
>
> Erik Nielsen wrote:
>
>> Both zinc and phosphorous are poisons for catalytic converters.
>>
>>
>>
>> On Thu, Aug 25, 2011 at 1:35 PM, <clyderomerof4 [at] bellsouth.net
>> <mailto:clyderomerof4 [at] bellsouth.net>> wrote:
>>
>>     Marty were not talking about your drinking habits with the Zinc!
>>      Smile.
>>     Clyde
>>     Sent via BlackBerry by AT&T
>>
>>     -----Original Message-----
>>     From: Martin Stark <MStark [at] Copper.net>
>>     Date: Thu, 25 Aug 2011 14:10:57
>>     To: Clyde<Clyderomerof4 [at] bellsouth.net
>>     <mailto:Clyderomerof4 [at] bellsouth.net>>
>>     Cc: The FerrariList<ferrari [at] ferrarilist.com
>>     <mailto:ferrari [at] ferrarilist.com>>
>>     Subject: Re: [Ferrari] Oil Recommendation
>>
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>