X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 02 Mar 2008 21:46:05 -0500 Message-ID: X-Original-Return-Path: Received: from [64.12.143.101] (HELO imo-m13.mail.aol.com) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2773553 for lml@lancaironline.net; Sun, 02 Mar 2008 08:44:26 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.143.101; envelope-from=MikeEasley@aol.com Received: from MikeEasley@aol.com by imo-m13.mx.aol.com (mail_out_v38_r9.3.) id q.cf5.235079e2 (32914) for ; Sun, 2 Mar 2008 08:43:40 -0500 (EST) From: MikeEasley@aol.com X-Original-Message-ID: X-Original-Date: Sun, 2 Mar 2008 08:43:40 EST Subject: Re: [LML] Re: Oil Temps and Oil Doors X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="-----------------------------1204465420" X-Mailer: Unknown sub 34 X-Spam-Flag: NO -------------------------------1204465420 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Doug, Since the vernatherm is a oil "thermostat", it makes sense that even in really cold weather, the vernatherm should regulate the oil temp to 180. The problem comes from the bypass circuit. These coolers have a bypass circuit that keeps oil from congealing in the cooler when the flow is stopped by the vernatherm. A fair amount of oil can still circulate through the cooler even when the vernatherm is below 180. The oil door (or a Cherokee style baffle plate) will help keep the bypass oil from cooling off. The stock TCM IO-550N comes with a different cooler than the "G" or the TSIO. It has a different design bypass circuit. Since your engine is custom built, you may have the "cool" cooler. Some of the "hot" coolers may be suffering from a leak in the bypass circuit that allows oil to flow through the bypass circuit instead of through the cooling fins, reducing efficiency. Mike Easley Colorado Springs **************Ideas to please picky eaters. Watch video on AOL Living. (http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-duffy/ 2050827?NCID=aolcmp00300000002598) -------------------------------1204465420 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Doug,

Since the vernatherm is a oil "thermostat", it makes sense that even in= =20 really cold weather, the vernatherm should regulate the oil temp to 180.&nbs= p;=20 The problem comes from the bypass circuit. These coolers have a bypass= =20 circuit that keeps oil from congealing in the cooler when the flow is stoppe= d by=20 the vernatherm. A fair amount of oil can still circulate through the=20 cooler even when the vernatherm is below 180. The oil door (or a Chero= kee=20 style baffle plate) will help keep the bypass oil from cooling off.

The stock TCM IO-550N comes with a different cooler than the "G" or the= =20 TSIO. It has a different design bypass circuit. Since your engin= e is=20 custom built, you may have the "cool" cooler. Some of the "hot" cooler= s=20 may be suffering from a leak in the bypass circuit that allows oil to flow=20 through the bypass circuit instead of through the cooling fins, reducing=20 efficiency.

Mike Easley

Colorado Springs

Deli= cious ideas to please the pickiest eaters. Watch the video on AOL Living.

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