For M1 5w40 the last analysis results from my '84 190D seem to refute any
changes in that oil. With 9,000 miles on the oil the results are so close to
results from 2006-2007 tests on my '85 190D to be essentially the same.
Especially for the important wear protectors like zinc and phosphorus.
-Curt
Date: Sun, 13 Nov 2011 21:13:09 -0500
From: "Allan Streib" <str...@cs.indiana.edu>
To: "Mercedes Discussion List" <mercedes@okiebenz.com>
Subject: Re: [MBZ] Next Castrol Syntec 0w-30 sale at AutoZone?
Message-ID:
<1321236789.17110.140660998481...@webmail.messagingengine.com>
Content-Type: text/plain; charset="us-ascii"
AutoZone currently has an "oil change special" 5qt jug of Castrol GTX and Bosch
filter gets you a ~$7 rebate, final price about $13. Of course you have to
send in for the rebate, which most people won't end up doing, which is why they
offer it.
Syntec is a "faux" synthetic, hydrocracked oil. Somehow some legal proceedings
resulted in allowing that to be sold as "full synthetic" in the USA, and rumor
is that M1 is now basically the same thing.
Allan
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