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Date: Fri, 20 Jan 2006 09:51:52 -0500
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From: "Matt Hapgood" <matt.hapgood@alumni.duke.edu>
Subject: RE: [LML] Re: major changes?
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These were brand new cylinders, rings, etc. from Lycoming.  Unless they
swapped the rings that isn't a likely scenario.  But thank you for pointing
it out to me.

Matt 

-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Dan
Schaefer
Sent: Friday, January 20, 2006 1:03 AM
To: Lancair Mailing List
Subject: [LML] Re: major changes?

Matt,

One sure way to get your problem, particularly following an overhaul, is the
rebuilder mistakenly installing standard chrome rings in chromed cylinders.
While rare, it's been known to happen - even by reputable shops. If this is
the case with your engine, it'll never break in and oil consumption will
rarely, if ever, stabilize.

Chrome(d) rings are the standard for a nitrided steel barrel (Lycoming - and
probably Cont. as well) but they're definitely not to be used in a chromed
cylinder. Chromed cylinders must use a non-chrome iron (cast iron or maybe
steel) ring.

Dan Schaefer


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