X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 17 Oct 2012 08:43:30 -0400 Message-ID: X-Original-Return-Path: Received: from imr-ma04.mx.aol.com ([64.12.206.42] verified) by logan.com (CommuniGate Pro SMTP 6.0c2) with ESMTP id 5815147 for lml@lancaironline.net; Wed, 17 Oct 2012 00:25:06 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.206.42; envelope-from=Sky2high@aol.com Received: from mtaomg-da02.r1000.mx.aol.com (mtaomg-da02.r1000.mx.aol.com [172.29.51.138]) by imr-ma04.mx.aol.com (8.14.1/8.14.1) with ESMTP id q9H4OTbC022446 for ; Wed, 17 Oct 2012 00:24:29 -0400 Received: from core-mte003a.r1000.mail.aol.com (core-mte003.r1000.mail.aol.com [172.29.236.73]) by mtaomg-da02.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 291F9E000081 for ; Wed, 17 Oct 2012 00:24:29 -0400 (EDT) From: Sky2high@aol.com X-Original-Message-ID: <16fa.2d44794b.3daf8cfc@aol.com> X-Original-Date: Wed, 17 Oct 2012 00:24:29 -0400 (EDT) Subject: Re: [LML] IO550-N Leaky valve covers X-Original-To: lml@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_16fa.2d44794b.3daf8cfc_boundary" X-Mailer: AOL 9.6 sub 168 X-Originating-IP: [67.175.156.123] x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:494731584:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d338a507e32fd68d9 --part1_16fa.2d44794b.3daf8cfc_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en Adam, =20 I use silicone gaskets on my 320 valve covers and, once the cover screws= =20 were tightened to 9 inch pounds (or so), they have remained leak less for = =20 the last 6 years. =20 Grayhawk =20 =20 In a message dated 10/16/2012 9:19:51 P.M. Central Daylight Time, =20 Adam@ValidationPartners.com writes: =20 Even after replacement, my valve cover gaskets leak. I am using the stock= =20 TCM p/n 655705A gaskets, which appear to be a heavy paper impregnated with= =20 something. I=E2=80=99ve re-tightened the valve cover screws, but the leaks= keep=20 coming back, especially on the exhaust valve covers. Will the gaskets=20 eventually compress and seal properly? Should I try gasket sealer? Has any= one had=20 better luck with aftermarket silicone gaskets? =20 Thanks,=20 Adam Molny=20 Lancair Legacy N181AM --part1_16fa.2d44794b.3daf8cfc_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en
Adam,
 
I use silicone gaskets on my 320 valve covers and, once the = cover=20 screws were tightened to 9 inch pounds (or so), they have remained leak les= s for=20 the last 6 years.
 
Grayhawk
 
In a message dated 10/16/2012 9:19:51 P.M. Central Daylight Time,=20 Adam@ValidationPartners.com writes:
=

Even=20 after replacement, my valve cover gaskets leak. I am using the stock TCM = p/n=20 655705A gaskets, which appear to be a heavy paper impregnated with someth= ing.=20 I=E2=80=99ve re-tightened the valve cover screws, but the leaks keep comi= ng back,=20 especially on the exhaust valve covers. Will the gaskets eventually compr= ess=20 and seal properly? Should I try gasket sealer? Has anyone had better luck= with=20 aftermarket silicone gaskets?

 

Thanks,

Adam=20 Molny

Lancair Legacy=20 N181AM

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