<VV> How MUCH Phosphorus and Zink?

[Eric S. Eberhard]

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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