X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Thu, 01 Feb 2007 09:23:27 -0500 Message-ID: X-Original-Return-Path: Received: from mx1.pshift.com ([216.57.116.6] verified) by logan.com (CommuniGate Pro SMTP 5.1.5) with ESMTP id 1803910 for lml@lancaironline.net; Thu, 01 Feb 2007 08:22:53 -0500 Received-SPF: none receiver=logan.com; client-ip=216.57.116.6; envelope-from=colyncase@earthlink.net Received: from ccaselt (unverified [216.57.118.212]) by mx1.pshift.com (Vircom SMTPRS 4.4.568.0) with SMTP id for ; Thu, 1 Feb 2007 08:22:03 -0500 Received-SPF: none (mx1.pshift.com: domain of colyncase@earthlink.net does not designate any permitted senders) X-Modus-BlackList: 216.57.118.212=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.212=Excluded X-Modus-Trusted: 216.57.118.212=NO X-Modus-Audit: FALSE;0;0;0 X-Original-Message-ID: <01b001c74603$faaaeb20$f710020a@nvidia.com> From: "colyncase on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] IO-550 fuel injection system X-Original-Date: Thu, 1 Feb 2007 05:22:10 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_01AD_01C745C0.EC245570" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_01AD_01C745C0.EC245570 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Bob said, A: Because Continental customers are willing to do the job by hand.=20 It's worse than that. As far as I can tell, you cannot buy for any amount of money, an engine = from TCM in which you can be sure that the valve guides are straight and = the seats match. You cannot buy from TCM and engine in which you can be = sure that the fuel distribution is equal. If you have slick mags and = you run at fl250 you probably want to be looking at them every 100 = hours. If you have the standard baffle arrangement in a IVP, chances = are that not only do you have unequal cooling among your cylinders, you = probably have unequal cooling to the different parts of each cylinder. = etc. etc. If you want a halfway reasonable implementation of this 1950's = technology there is a lot left for you to do when you get your engine = back from the factory.=20 TCM could do better but they also could decide that a market with single = digit 1000's per year is not worth the bother. This is not to slam TCM vs. Lycoming by the way. ------=_NextPart_000_01AD_01C745C0.EC245570 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Bob said,

A: Because Continental customers are willing to do the job by=20 hand.

It's worse than that.

As far as I can tell, you cannot buy for any amount of money, an = engine=20 from TCM in which you can be sure that the valve guides are straight and = the=20 seats match. You cannot buy from TCM and engine in which you can = be sure=20 that the fuel distribution is equal. If you have slick mags = and you=20 run at fl250 you probably want to be looking at them every 100 = hours. If=20 you have the standard baffle arrangement in a IVP, chances are that not = only do=20 you have unequal cooling among your cylinders, you probably have unequal = cooling=20 to the different parts of each cylinder. etc. etc.

If you want a halfway reasonable = implementation of=20 this 1950's technology there is a lot left for you to do when you get = your=20 engine back from the factory.

TCM could do better but they also could = decide that=20 a market with single digit 1000's per year is not worth the = bother.

This is not to slam TCM vs. Lycoming by = the=20 way.

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