[W126 Coupe] Engine oil

[Shayegan, Richard]

Which synthetics nowadays still use graphite??? Did that test with Mobil
1 on top test Amsoil or any other of the speciality compaies (like
lucas). It seems they often get skipped. Oh, and what parts of what you
said other than the cheapest are just as good came from Consumer
Reports? As I've never seen them print anything more that half truths
and often just plain old incorrect information, I tend not to trust
them.
Richard

-----Original Message-----
From: mbcoupes-bounces at mbcoupes.com
[mailto:mbcoupes-bounces at mbcoupes.com] On Behalf Of myhog at surfeu.de
Sent: Wednesday, January 26, 2005 12:33 PM
To: mbcoupes at mbcoupes.com
Subject: [W126 Coupe] Engine oil


Ah the oil thread.  Seen this on so many vehicle sites it is scary.  On
the Harley site we actually had a guy who worked for some chemical
testing
lab and here was the skinny from him and confirmed from several
manufacturesa..

When breaking in a rebuilt or new engine... run Mineral oil until broke
in.. this helps cam/lifter and pistonring/bore seating and will prolong
the life of the engine..  after that Syn is a better oil but most
minerals
now days are good also.

Changing from Mineral to Synth.. no problemo!!!  
Changing from Synth to Mineral, difference of opinion from most, a
definite
nono if the synth contains graphite!!!!
Mixing oils.. should be avoided but can be used until next change.

Changing intervals... all agreed that under 7000 miles you are wasting
your
money!..
 most stated that with Synths change the filer and get 10000-12000
between
changes.

TYpes...  all had their opinions.. the chemist and consumer reports said
that mineral oils, the cheapest are just as good as the best with the
same
ratings... Wal Mart brand scored REALLY high..better then the brand
names...
 
The synths are all about the same with Mobile 1 scoring at the top..

That was from many expert sources and took several months to compile..
of
course i briefed it for you all it was like 100 pages after compiled...

Just my bit
*down off soap box*
Kevin 
'91 500 SEC in Germany



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