<VV> How MUCH Phosphorus and Zink?

Ian Harding harding.ian at gmail.com
Thu Mar 18 14:53:00 EDT 2010


Handy dandy chart.  Might be out of date, who knows.  Looks like if
you want lots of zinc use motorcycle oil!

http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf

On Thu, Mar 18, 2010 at 11:38 AM, Eric S. Eberhard <flash at vicsmba.com> wrote:
> Watch out on the diesel oils, they are reducing zinc as well.  Also,
> even oils you use regularly are getting less and less.  The 15-50
> used to be 1600 and I think is 1200 now (they actually have two
> different charts which are confusing -- I think the zinc alone is
> 1200 and ZDDP 1600?).  In any case, 1200-1600 is what older oils had.  E
>
> At 06:25 PM 3/17/2010, you wrote:
>>Date: Wed, 17 Mar 2010 15:04:46 -0500
>>From: "J R Read_HML" <hmlinc at sbcglobal.net>
>>Subject: <VV> hmlinc at sbcglobal.net
>
>>To: "VirtualVairs AA" <VirtualVairs at corvair.org>
>>Message-ID: <4CD4A36530644BB7A9E83B161E7DDF23 at OFFICEDELL>
>>Content-Type: text/plain; format=flowed; charset="iso-8859-1";
>>         reply-type=original
>>
>>I'm unable to find Mobil 1 Turbo Diesel Truck  5W40 on the shelf locally.
>>That is what I've been using.  It has 1100 PPM of Phosphorus and 1200 PPM of
>>Zink.
>>
>>What is the minimum we should be using in Vair engines?
>>
>>There is a Mobil 1 High Mileage in three viscosity choices - 5W30, 10W30,
>>and 10W40 - which has an SL rating, but the counts are lower.  900
>>Phosphorus and 1000 Zink.  Is that one sufficient for Vairs?
>
>
> Eric S. Eberhard
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