X-Virus-Scanned: clean according to Sophos on Logan.com
Return-Path: <atlasyts@bellsouth.net>
Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified)
  by logan.com (CommuniGate Pro SMTP 5.1.10)
  with ESMTP id 2174109 for flyrotary@lancaironline.net; Thu, 12 Jul 2007 16:30:36 -0400
Received-SPF: pass
 receiver=logan.com; client-ip=205.152.59.72; envelope-from=atlasyts@bellsouth.net
Received: from ibm68aec.bellsouth.net ([192.168.16.253])
          by imf24aec.mail.bellsouth.net with ESMTP
          id <20070712202927.FVDF20140.imf24aec.mail.bellsouth.net@ibm68aec.bellsouth.net>
          for <flyrotary@lancaironline.net>;
          Thu, 12 Jul 2007 16:29:27 -0400
Received: from mail.bellsouth.net ([192.168.16.253])
          by ibm68aec.bellsouth.net with SMTP
          id <20070712202927.FXYB12467.ibm68aec.bellsouth.net@mail.bellsouth.net>
          for <flyrotary@lancaironline.net>;
          Thu, 12 Jul 2007 16:29:27 -0400
X-Mailer: Openwave WebEngine, version 2.8.16.1 (webedge20-101-1106-101-20040924)
X-Originating-IP: [68.153.219.86]
From: <atlasyts@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Oil Seal Gasket vs Sealant   was FlyRotary] Re:
Date: Thu, 12 Jul 2007 15:29:27 -0500
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Message-Id: <20070712202927.FXYB12467.ibm68aec.bellsouth.net@mail.bellsouth.net>

 
> I would suggest a close examination of the fit between pan and the mounting 
> plate.  One way is to stick a light bulb in the oil pan (remove oil first) 
> and then put the pan on.  If you see any light around the seam then you may 
> have a dented, ding or mussed up surface causing the leak.
> 
> Ed

Ed,
The stock oil pans are stamped sheet metal and in no way straight. There is a need for gasket and some sealant to fill the imperfections. The bottom of the block  is not perfect either. Between the different housings there is some mismatch too.
Buly