I thought it and certain other additives were removed to avoid screwing up
catalytic converters...
Richard of KY
BN7 #440
Sent from my Verizon Wireless BlackBerry
-----Original Message-----
From: Michael Oritt <michael.oritt@gmail.com>
Sender: healeys-bounces@autox.team.net
Date: Tue, 24 May 2011 16:41:01
To: Schneider Mark<mandmschneider@comcast.net>
Cc: <healeys@autox.team.net>
Subject: Re: [Healeys] Healeys] Start-up, oil filters, and rebuilt engines
I was under the impression that the reduction in ZDDP was required in order
to comply with the SM-API oil standards. If this is so how can companies
"add back" ZDDP?
Best--Michael Oritt
----------------------------------------------------
On Tue, May 24, 2011 at 9:49 AM, Schneider Mark
<mandmschneider@comcast.net>wrote:
> EditorGary,
>
> Regarding the topic of the initial running of rebuilt engines the point was
> made that some over-the-counter oil companies have begun to add ZDDP back
> to
> their 10-40 and 20-50 weight oils. Which companies are they? If I can
> purchase oil with an adequate amount of ZDDP already in it I can stop
> adding
> it on my own.
>
> Marks 3
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