X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 28 May 2007 23:57:19 -0400 Message-ID: X-Original-Return-Path: Received: from mx2.pshift.com ([216.57.116.7] verified) by logan.com (CommuniGate Pro SMTP 5.1.9) with ESMTP id 2071944 for lml@lancaironline.net; Mon, 28 May 2007 21:50:39 -0400 Received-SPF: none receiver=logan.com; client-ip=216.57.116.7; envelope-from=colyncase@earthlink.net Received: from ccaselt2 (unverified [216.57.118.92]) by mx2.pshift.com (Vircom SMTPRS 4.4.568.30) with SMTP id for ; Mon, 28 May 2007 21:50:05 -0400 Received-SPF: none (mx2.pshift.com: domain of colyncase@earthlink.net does not designate any permitted senders) X-Modus-BlackList: 216.57.118.92=OK;colyncase@earthlink.net=OK X-Modus-RBL: 216.57.118.92=Excluded X-Modus-Trusted: 216.57.118.92=NO X-Modus-Audit: FALSE;0;0;0 X-Original-Message-ID: <027901c7a193$aad88710$0502a8c0@nvidia.com> From: "Colyn Case on earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: TSIO 550 LOP X-Original-Date: Mon, 28 May 2007 18:49:59 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0276_01C7A158.FE49EC80" 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_0276_01C7A158.FE49EC80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable The egt is lower and the engine is more efficient with 8.5 CR pistons. = Again I ask for data. Paul, I don't have any data. But at APS they said they had measured = the effect and it's about 100 degrees lower exhaust temp using 8.5:1 vs. = 7.5: ------=_NextPart_000_0276_01C7A158.FE49EC80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

The egt is lower and the engine is more efficient with 8.5 CR=20 pistons. Again I ask for data.

Paul, I don't have any data. But at APS they said they = had=20 measured the effect and it's about 100 degrees lower exhaust temp using = 8.5:1=20 vs. 7.5:

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