Return-Path: Sender: (Marvin Kaye) To: lml@lancaironline.net Date: Thu, 22 Apr 2004 00:46:42 -0400 Message-ID: X-Original-Return-Path: Received: from sccrmhc11.comcast.net ([204.127.202.55] verified) by logan.com (CommuniGate Pro SMTP 4.2b2) with ESMTP id 3183648 for lml@lancaironline.net; Wed, 21 Apr 2004 23:25:23 -0400 Received: from molecow2kdc2 (c-24-2-141-7.client.comcast.net[24.2.141.7]) by comcast.net (sccrmhc11) with SMTP id <2004042203245301100pd9ase> (Authid: nrgarvin); Thu, 22 Apr 2004 03:24:54 +0000 Reply-To: From: "Neal Garvin" X-Original-To: "Lancair Mailing List" Subject: IO360 Rough Idle When Warm/Hot X-Original-Date: Wed, 21 Apr 2004 23:17:11 -0400 X-Original-Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0032_01C427F6.C662FA70" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 Importance: Normal In-Reply-To: This is a multi-part message in MIME format. ------=_NextPart_000_0032_01C427F6.C662FA70 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Posting this for a friend. If anyone has experience with this problem and can suggest corrective action it would be appreciated. -Neal Garvin From: "KEITH WALKER" I have an IO360 with rear mounted Bendix.(200HP), 1 regular mag and 1 rose electronic ignition, In a tightly cowled Glasair II. When the outside air temperature gets warm, IE above 60 deg F the engine idles rough and occasionally pops. It seems to get worse as the temperatures go up. It does not seem to do it at full power , only below 1800rpm. It does not seem to matter if the boost fuel pump is on or off, if the engine is running on the mag, elect ignition or both. I don't see much fluctuation in the egts when it is popping. Could it be fuel boiling? I have put fire sleeve on all the lines, including the spider to the injectors, and I have a cooling shroud on the fuel filter and the pump. any suggestions? Regards Keith Walker ------=_NextPart_000_0032_01C427F6.C662FA70 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
Posting this for a friend. If anyone has experience with this = problem and=20 can suggest corrective action it would be appreciated. =
-Neal=20 Garvin

From: "KEITH WALKER" <KWALKER@PRECISIONAIR.COM>

I have an IO360 with rear mounted Bendix.(200HP), 1 regular mag and 1 = rose=20 electronic ignition, In a tightly cowled Glasair II. When the outside = air=20 temperature gets warm, IE above 60 deg F the engine idles rough and = occasionally=20 pops. It seems to get worse as the temperatures go up. It does not seem = to do it=20 at full power , only below 1800rpm. It does not seem to matter if the = boost fuel=20 pump is on or off, if the engine is running on the mag, elect ignition = or both.=20 I don't see much fluctuation in the egts when it is popping. Could it be = fuel=20 boiling? I have put fire sleeve on all the lines, including the spider = to the=20 injectors, and I have a cooling shroud on the fuel filter and the pump. = any=20 suggestions?

Regards

Keith Walker

 

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