Well none of that makes any sense to me at all...
I've personally seen Mobil 1 10w30 free up carboned rings in a lawn tractor. I
have actual proof, pre-Mobil 1 it was getting about 85# compression, after
mowing with Mobil 1 in the crankcase for about 4 hours (getting it good and hot
and letting Mobil 1 do its thing) we were up to about 95#. That doesn't sound
like a big increase but it made the thing start way easier and it was noticably
more powerful.
I agree that thinner oil will help remove carbon and sludge but I fail to see
why synthetic oil with its greater detergent levels wouldn't do the job, you
could get 0w20 Mobil 1 for instance...
-Curt
Date: Sun, 10 May 2009 21:52:56 -0400
From: Steve MacSween <steve.macsw...@videotron.ca>
Subject: Re: [MBZ] Doing SVO Wrong
To: Mercedes Discussion List <mercedes@okiebenz.com>
Message-ID: <c62cfd38.189ff%steve.macsw...@videotron.ca>
Content-Type: text/plain; charset=US-ASCII
Race engine builders recommend that to free up sticky rings, use the
thinnest oil you can for as long as the engine will stand it (even if that
is 20 minutes).
The same additives in synthetics that add to synthetics' slipperiness, tend
to worsen the ring sludge.
I started asking about this after I had to give up on an OM616 with one or
two sticky rings, about three weeks after switching to Mobil 1. The smoke
got slowly worse by the day as soon as I switched over.
We have a rally engine builder locally and that is who I got the answer
from.
Mac
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