X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 26 May 2008 23:33:31 -0400 Message-ID: X-Original-Return-Path: Received: from elasmtp-mealy.atl.sa.earthlink.net ([209.86.89.69] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2939551 for lml@lancaironline.net; Mon, 26 May 2008 16:38:57 -0400 Received-SPF: neutral receiver=logan.com; client-ip=209.86.89.69; envelope-from=mnewman@dragonnorth.com Received: from [70.91.142.49] (helo=PCMIKE3) by elasmtp-mealy.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1K0jST-00083r-PA; Mon, 26 May 2008 16:38:17 -0400 Reply-To: From: "Michael Newman" X-Original-To: "'Steve Colwell'" X-Original-Cc: "'Lancair Mailing List'" References: In-Reply-To: Subject: Oil leak X-Original-Date: Mon, 26 May 2008 16:38:12 -0400 Organization: Dragonnorth Group X-Original-Message-ID: <072801c8bf70$6aba5d60$402f1820$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Aci/F2DYa9s9jzNfSnenAK/ksdiq9wAWMXkQ Content-Language: en-us X-ELNK-Trace: 4981850a937e3365551c28c27865cf0a239a348a220c2609e971ce16ae20e9dcc662b725e434b8dd2601a10902912494350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 70.91.142.49 You Said: During runup and takeoff roll the manometer (tapped into the crankcase vent about the mid-point of its length) will read zero until plane has about 120 knots indicated airspeed. At 120 to 200 knots the manometer reads 4" to 5" with a short spike up to 14" to 20" when power is reduced in the pattern. This symptom suggests that airspeed is pressurizing the case and pushing oil out. Check the Oil filler cap for a proper gasket and for proper sealing of the gasket.