X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sat, 01 Mar 2008 11:53:57 -0500 Message-ID: X-Original-Return-Path: Received: from smtp-ext-01.mx.pitdc1.expedient.net ([206.210.69.141] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTPS id 2771993 for lml@lancaironline.net; Sat, 01 Mar 2008 00:31:24 -0500 Received-SPF: none receiver=logan.com; client-ip=206.210.69.141; envelope-from=rpastusek@htii.com Received: from dlhtpax009 (static-71-178-198-10.washdc.fios.verizon.net [71.178.198.10]) by smtp-ext-01.mx.pitdc1.expedient.net (Postfix) with ESMTP id 3ABD37C2FB for ; Sat, 1 Mar 2008 00:30:46 -0500 (EST) Reply-To: From: "Robert Pastusek" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: RE: [LML] Oil Temps and Oil Doors X-Original-Date: Sat, 1 Mar 2008 00:30:32 -0500 Organization: Holmes-Tucker International, Inc. X-Original-Message-ID: <097a01c87b5d$62083860$2618a920$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_097B_01C87B33.79323060" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ach7WcD6CxDihwrWTuSaerrm/rwB0wAAkSlg Content-Language: en-us This is a multipart message in MIME format. ------=_NextPart_000_097B_01C87B33.79323060 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Doug Bruner wrote: Can low oil temps shorten TBO/damage the engine? Even with regular 25 hour oil changes using Exxon Elite? Should I go to the trouble to retrofit a remote oil door, or just change my oil at a shorter interval? Doug, Very low oil temps can damage the engine, but 150 is probably high enough to maintain good viscosity with Exxon Elite. The main reason you want to keep the oil temp a bit higher is to drive out moisture that's a product of combustion, and that particularly condenses inside the engine after shutdown. You can fit a remote oil door, but a simpler solution might be to adapt the way of my old Piper Cherokee. It came with a baffle plate that fits over the oil cooler. When the oil temps start dropping below 180 as the weather cools, I install the plate; when it starts warming up, I take it off. My Piper part completely blocks the cooler, but you could probably craft a plate that blocks only part of the air flow if needed. Lots simpler than a remote oil door! Bob P ------=_NextPart_000_097B_01C87B33.79323060 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Doug Bruner wrote:

 

Can low oil temps shorten TBO/damage the = engine?  

Even with regular 25 hour oil changes using Exxon Elite?  =

Should I go to the trouble to retrofit a remote oil door, or just change my oil = at a shorter interval?

 

Doug,
Very low oil temps can damage the engine, but 150 is probably high = enough to maintain good viscosity with Exxon Elite. The main reason you want to = keep the oil temp a bit higher is to drive out moisture that’s a product of combustion, and that particularly condenses inside the engine after = shutdown. You can fit a remote oil door, but a simpler solution might be to adapt = the way of my old Piper Cherokee. It came with a baffle plate that fits over the = oil cooler. When the oil temps start dropping below 180 as the weather = cools, I install the plate; when it starts warming up, I take it off. My Piper = part completely blocks the cooler, but you could probably craft a plate that = blocks only part of the air flow if needed. Lots simpler than a remote oil = door!

 

Bob P

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