X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 28 Dec 2005 01:17:58 -0500 Message-ID: X-Original-Return-Path: Received: from mail.pshift.com ([63.166.217.30] verified) by logan.com (CommuniGate Pro SMTP 5.0.5) with ESMTP id 902458 for lml@lancaironline.net; Tue, 27 Dec 2005 01:25:04 -0500 Received-SPF: none receiver=logan.com; client-ip=63.166.217.30; envelope-from=colyncase@earthlink.net Received: from ccaselt (unverified [216.57.118.136]) by mail.pshift.com (Vircom SMTPRS 4.2.425.24) with SMTP id for ; Tue, 27 Dec 2005 01:24:20 -0500 Received-SPF: none (mail.pshift.com: domain of colyncase@earthlink.net does not designate any permitted senders) X-Modus-ReverseDNS: Error=0x0000232A X-Modus-BlackList: 216.57.118.136=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.136=OK X-Modus-Trusted: 216.57.118.136=NO X-Original-Message-ID: <1a3901c60aae$2a479780$0911020a@nvidia.com> From: "colyncase on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Where has all the power gone? X-Original-Date: Mon, 26 Dec 2005 22:24:16 -0800 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_1A36_01C60A6B.1BBC6DF0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_1A36_01C60A6B.1BBC6DF0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Brent wrote, Regarding variable timing on turbocharged engines, IMHO it is a wasted = effort. Totally agree. You should keep your theta-pp at the same angle all the = time. Closed loop ignition timing is a wonderful and more pilot-proof and = fuel-tolerant way to do that, assuming it is possible to bring it to production. ------=_NextPart_000_1A36_01C60A6B.1BBC6DF0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Brent wrote,

Regarding variable timing on turbocharged = engines,=20 IMHO it is a wasted effort.

Totally agree. You should keep your = theta-pp=20 at the same angle all the time.

Closed loop ignition timing is a wonderful and = more=20 pilot-proof and fuel-tolerant way to do that,

assuming it is possible to bring it to=20 production.

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