X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 22 Jun 2005 18:27:59 -0400 Message-ID: X-Original-Return-Path: Received: from secure5.liveoakhosting.com ([64.49.254.21] verified) by logan.com (CommuniGate Pro SMTP 4.3.4) with ESMTPS id 1010599 for lml@lancaironline.net; Wed, 22 Jun 2005 17:54:47 -0400 Received-SPF: none receiver=logan.com; client-ip=64.49.254.21; envelope-from=walter@advancedpilot.com Received: (qmail 15019 invoked by uid 2520); 22 Jun 2005 16:54:02 -0500 Received: from 216.107.97.170 by secure5.liveoakhosting.com (envelope-from , uid 2020) with qmail-scanner-1.25st (clamdscan: 0.84/921. perlscan: 1.25st. Clear:RC:0(216.107.97.170):. Processed in 0.05548 secs); 22 Jun 2005 21:54:02 -0000 Received: from 216-107-97-170.wan.networktel.net (HELO ?10.0.1.4?) (216.107.97.170) by secure5.liveoakhosting.com with SMTP; 22 Jun 2005 16:54:02 -0500 Mime-Version: 1.0 (Apple Message framework v622) In-Reply-To: References: Content-Type: multipart/alternative; boundary=Apple-Mail-11--563879502 X-Original-Message-Id: <782c1963d4560c8e0b65706673361db2@advancedpilot.com> From: Walter Atkinson Subject: Re: [LML] Re: Induction air filter X-Original-Date: Wed, 22 Jun 2005 16:54:01 -0500 X-Original-To: "Lancair Mailing List" X-Mailer: Apple Mail (2.622) --Apple-Mail-11--563879502 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed Scott: He has de-constructed one or more pistons in the prior engine -=20 detonation was the culprit.=A0 Amazingly, probably not! We have watched many detonation events--some=20= even heavy detonation events--some for extended periods-without any=20 ill effects on the piston, cylinder or engine in general. The danger=20 is these turning into pre-ignition, usually from a damaged spark plug=20 from the detonation. That can destroy the engine in 30 seconds and=20 while our observations are that detonation doesn't hole a piston,=20 pre-ignition will do it in a heartbeat. Detonation gets blamed for a lot for which it is completely innocent! =20= Walter= --Apple-Mail-11--563879502 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 Scott: ArialHe has de-constructed one or more pistons in the prior engine - detonation was the culprit.=A0 Amazingly, probably not! We have watched many detonation events--some even heavy detonation events--some for extended periods-without any ill effects on the piston, cylinder or engine in general. The danger is these turning into pre-ignition, usually from a damaged spark plug from the detonation. That can destroy the engine in 30 seconds and while our observations are that detonation doesn't hole a piston, pre-ignition will do it in a heartbeat. Detonation gets blamed for a lot for which it is completely innocent!=20 < Walter= --Apple-Mail-11--563879502--