Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Tue, 04 Nov 2003 14:37:12 -0500 Message-ID: X-Original-Return-Path: Received: from mtiwmhc13.worldnet.att.net ([204.127.131.117] verified) by logan.com (CommuniGate Pro SMTP 4.1.6) with ESMTP id 2709442 for lml@lancaironline.net; Tue, 04 Nov 2003 11:29:26 -0500 Received: from tomwill (22.honolulu-01rh15-16rt.hi.dial-access.att.net[12.78.102.22]) by worldnet.att.net (mtiwmhc13) with SMTP id <20031104162922113008c7ume>; Tue, 4 Nov 2003 16:29:23 +0000 From: "Tom Williams" X-Original-To: "Lancair Mailing List" Subject: RE: [LML] Compression X-Original-Date: Tue, 4 Nov 2003 06:30:35 -1000 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0002_01C3A29D.2798DB00" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) In-Reply-To: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 This is a multi-part message in MIME format. ------=_NextPart_000_0002_01C3A29D.2798DB00 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit I work on several IO-520's + IO-550's, some turbocharged, some not. I also know the service bulletin and have the calibrated orifice tool. it's interesting that you CAN get 76/80 on a good engine, so why is 50/80 acceptible? I also have noted that most of the engines start out with good compression readings and fall off quickly within ~200-500hrs, including a Victor Black Max. ------=_NextPart_000_0002_01C3A29D.2798DB00 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable

I work on several IO-520's + IO-550's, some turbocharged, some not. I = also

know the service bulletin and have the calibrated orifice tool. = it's

interesting that you CAN get 76/80 on a good engine, so why is = 50/80

acceptible? I also have noted that most of the engines start out with = good

compression readings and fall off quickly within ~200-500hrs, = including a

Victor Black Max.

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