X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 27 Apr 2006 22:58:13 -0400 Message-ID: X-Original-Return-Path: Received: from [68.98.211.24] (HELO systems3.net) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1083075 for lml@lancaironline.net; Thu, 27 Apr 2006 10:48:33 -0400 Received-SPF: none receiver=logan.com; client-ip=68.98.211.24; envelope-from=cberland@systems3.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C66A09.8CF42A56" Subject: [LML] Hot pistons Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 X-Original-Date: Thu, 27 Apr 2006 07:47:47 -0700 X-Original-Message-ID: <87C33F695961494D886EB3B6C8A4765106A9C2@s3server.Systems3.local> X-MS-Has-Attach: X-MS-TNEF-Correlator: thread-topic: [LML] Hot pistons Thread-Index: AcZpu66KsP5Pqka5RF6NIyQry2sSTwATUxKQ From: "Craig Berland" X-Original-To: "Lancair Mail List" This is a multi-part message in MIME format. ------_=_NextPart_001_01C66A09.8CF42A56 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Paul said: Jeff! I'd have to say that came from pre-ignition, not from operating in the normal, Lycoming-recommended range, unless it was from an engine operated above their limits.=20 =20 I am quite sure the piston damage was a result of detonation, severe and prolonged detonation. If it was pre-ignition, it would have a hole through the center of the piston. Craig Berland ------_=_NextPart_001_01C66A09.8CF42A56 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
 

Paul said: Jeff! = I'd have to=20 say that came from pre-ignition, not from operating in the normal,=20 Lycoming-recommended range, unless it was from an engine operated above = their=20 limits. 
 
I am quite = sure the=20 piston damage was a result of detonation, severe and prolonged = detonation. =20 If it was pre-ignition, it would have a hole through the center of the=20 piston.
Craig=20 Berland
------_=_NextPart_001_01C66A09.8CF42A56--