Mailing List lml@lancaironline.net Message #48350
From: Craig Berland <cberland@systems3.net>
Sender: <marv@lancaironline.net>
Subject: [LML] Re: breather tube oil leakage
Date: Mon, 11 Aug 2008 14:26:43 -0400
To: <lml@lancaironline.net>
 BTW, my engine oil is clear as a bell: so clear it's difficult to determine
oil level.  If the issue is a bad ring or two, wouldn’t my compressions
suffer?  Could there be an issue with the oil ring?  We run 10 tractor
trailers at work and have a mechanic on staff.  He thinks the oil rings have
carbon build-up and suggests I add an additive that will clean the rings of
carbon. Is this a good idea?   Abe Gaskins
  
I think an oil additive is a bad idea.  Particularly something used on diesel engines. Your compression numbers are perfect.  I suspect your problem is in your air/oil separator system.  The separator should be mounted as high in the cowl as possible.  It should be cool and there should be a drain back to the oil pump.  It is desirable to have a slight vacuum on the breather line that goes out the bottom of the cowl.  The TSIO 550 connects to the exhaust tailpipe to do this. My TNIO 550 Bonanza does not.  It just dumps out at the cowl flaps. In the last 20 hrs on that engine I have not used/lost 1/4 quart of oil.  Make sure your lines are hooked up correctly for the separator you have installed.
Craig Berland  
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