X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Fri, 06 May 2005 22:50:52 -0400 Message-ID: X-Original-Return-Path: Received: from systems3.net ([68.14.236.16] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTPS id 935370 for lml@lancaironline.net; Fri, 06 May 2005 19:50:06 -0400 Received-SPF: none receiver=logan.com; client-ip=68.14.236.16; envelope-from=cberland@systems3.net Received: from systems0d3b724 ([192.168.1.81]) by systems3.net (8.13.4/8.13.4/Debian-1) with SMTP id j46NnJte031275 for ; Fri, 6 May 2005 16:49:20 -0700 X-Original-Message-ID: <020601c55295$211cafa0$5101a8c0@systems0d3b724> From: "Craig Berland" X-Original-To: "Lancair Mail List" Subject: [LML] Re: Plasma III on Hi Compression Engines - Firewall Install Notes X-Original-Date: Fri, 6 May 2005 16:41:25 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0203_01C5525A.71AD6350" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 This is a multi-part message in MIME format. ------=_NextPart_000_0203_01C5525A.71AD6350 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable "Scott Krueger AKA Grayhawk wrote: 25 squared had the left timing displayed at 27 BTDC and the right at = 24.5 BTDC." Scott, I have enjoyed your info. Question...does LSE believe a = staggered spark timing to be beneficial for power/economy? I was going = to test this at GM but never had the chance. My intuition said any = benefit real or imagined would be hard to measure, but as I said...I was = not able to test. "Scott said:The timing checks indicated a 3 degree retard (instead of = LSE's 5 degree recommendation)."=20 I'm willing to bet at a 5 deg retard you are giving up power and fuel = economy. Unless you are detonation sensitive, I would expect no more = than a 2 deg retard on a 27 deg baseline for a 10 to 1 CR motor. I = would be happy with the 3 deg shift. Craig Berland ------=_NextPart_000_0203_01C5525A.71AD6350 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
"Scott Krueger AKA Grayhawk = wrote:
25=20 squared had the left timing displayed at 27 BTDC and the right at = 24.5=20 BTDC."
 
Scott, I have enjoyed your info. =20 Question...does LSE believe a staggered spark timing to be beneficial = for=20 power/economy?  I was going to test this at GM but never had the=20 chance.  My intuition said any benefit real or imagined would be = hard to=20 measure, but as I said...I was not able to test.
 
"Scott said:The timing checks indicated a 3 degree retard = (instead of=20 LSE's 5 degree recommendation)."
 
I'm willing to bet at a 5 deg retard you are giving up power and = fuel=20 economy.  Unless you are detonation sensitive, I would expect no = more than=20 a 2 deg retard on a 27 deg baseline for a 10 to 1 CR = motor.  I=20 would be happy with the 3 deg shift.
Craig Berland
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