X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 09 May 2007 15:54:55 -0400 Message-ID: X-Original-Return-Path: Received: from mail.stoel.com ([198.36.178.142] verified) by logan.com (CommuniGate Pro SMTP 5.1.8) with SMTP id 2034572 for lml@lancaironline.net; Wed, 09 May 2007 14:48:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=198.36.178.142; envelope-from=CSLEWIS@stoel.com Received: from gateway1.stoel.com ([198.36.178.141]) by mail.stoel.com (SMSSMTP 4.1.9.35) with SMTP id M2007050911484605574 for ; Wed, 09 May 2007 11:48:46 -0700 Received: from sea-mx1.stoel.com (unknown [172.17.103.4]) by gateway1.stoel.com (Firewall Mailer Daemon) with ESMTP id 647E3AF05C for ; Wed, 9 May 2007 11:47:28 -0700 (PDT) X-MimeOLE: Produced By Microsoft Exchange V6.5 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable Subject: RE: [LML] Re: IO-550 fuel injection X-Original-Date: Wed, 9 May 2007 11:48:53 -0700 X-Original-Message-ID: In-Reply-To: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: IO-550 fuel injection Thread-Index: AceR2nJUKv6LqVgzTbSI1xM3er0kHAAjuBzQ References: From: "Lewis III, Charles S." X-Original-To: "Lancair Mailing List" Kevin: I never have needed to use the low boost pump with the IO-550 in my Legacy. Since my first flight in August 2003, my engine has always run the same at altitude as down low, so I've left the pump turned off. That said, I believe that my highest cruising altitude has been 14,500 feet. Carl Lewis Legacy L2K-203 N14CL=20 "Has anyone been able to do something to mitigate this requirement of having to have the boost pump on at altitude?" =20