Return-Path: Received: from hawk.prod.itd.earthlink.net ([207.217.120.22]) by truman.olsusa.com (Post.Office MTA v3.5.1 release 219 ID# 0-52269U2500L250S0V35) with ESMTP id com for ; Wed, 10 Feb 1999 01:38:07 -0500 Received: from bigfoot.com (1Cust34.tnt12.sfo3.da.uu.net [153.37.33.34]) by hawk.prod.itd.earthlink.net (8.8.7/8.8.5) with ESMTP id WAA28439 for ; Tue, 9 Feb 1999 22:39:35 -0800 (PST) Message-ID: <36C129DF.9286F17F@bigfoot.com> Date: Tue, 09 Feb 1999 22:40:31 -0800 From: Bob Belshe To: lancair.list@olsusa.com Subject: Re:Heat Tape/EGT Temps References: <19990210054310.AAA9303@truman.olsusa.com> X-Mailing-List: lancair.list@olsusa.com Mime-Version: 1.0 <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> << Lancair Builders' Mail List >> <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>> >> I think the important number for EGT is not the absolute value, but where you run relative to the peak value. Here is a data point from my Lancair 235/320 for the collection: Engine is IO320 with 9.5:1 compression, NO wrapping of the pipes. EGT on climb, full rich, is from 1300 to 1350 degrees. Cyl head temps run 300-350 degrees. Full rich at 75% power is about 1250, and the highest peak I can get is around 1475-1525. I normally run 100 to 150 rich of peak. Bob Belshe N19BJ