Return-Path: Received: from imf22aec.mail.bellsouth.net ([205.152.59.70] verified) by logan.com (CommuniGate Pro SMTP 4.1.8) with ESMTP id 3050342 for flyrotary@lancaironline.net; Sat, 28 Feb 2004 22:26:33 -0500 Received: from TOSHIBAjhr ([209.214.13.35]) by imf22aec.mail.bellsouth.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with SMTP id <20040229032632.DIRB1896.imf22aec.mail.bellsouth.net@TOSHIBAjhr> for ; Sat, 28 Feb 2004 22:26:32 -0500 From: "John Slade" To: "Rotary motors in aircraft" Subject: RE: [FlyRotary] Re: 13B smooth running issues Date: Sat, 28 Feb 2004 22:26:31 -0500 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 >Do you have an O2 sensor, and meter? I have Tracy's air fuel gauge. Not sure quite how to interpret it yet. > I'd go through the procedure of reloading the default calibrations, and go from there. Reading the manual again tonight > The surging is just a mixture tuning issue, you'll fix that soon enough. thanks. Makes sense. > Did your engine rebuilder install a high pressure oil relief valve? I don't know. He's long gone. How would I find out? >get a better gauge I did. An expensive westach quad. It reads 90psi before I start the engine. :( > place your hand on the radiator tanks. It will be noticeably hotter from >the bottom up to where ever the coolant level is. It has been totally cold after every short run. >I presume you are using a stock Mazda Thermostat Yes >The engine cycling like that makes me thing of a "lean surge" Sounds reasonable. I'm using 4 of the purple 550 injectors. Hopefully programming will solve this one. >Regarding the oil pressure - are you certain that you have the oil filter >rigged properly? Hmmm. I'm not sure. I got guidance from a local Mazda guy on this issue. Maybe he told me wrong. How would I know? >Where is your oil pressure sensor located? in the aluminum pad where my oil filter used to be. I now have a remote filer mounted on the redrive plate fed from the same pad. >I presume you have the stock oil pressure >regulator and not one of the high pressure racing ones. I hope this is something internal to the engine. I never heard anything about an oil pressure regulator. Thanks for the ideas guys. Please keep em coming. I feel like a blind man trying to run though the woods at night. I keep bumping into trees. Ouch. Does everyone go through this, or is it just me? John