X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [216.162.174.4] (HELO pop4.greatbasin.net) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2718015 for flyrotary@lancaironline.net; Wed, 06 Feb 2008 14:36:29 -0500 Received-SPF: none receiver=logan.com; client-ip=216.162.174.4; envelope-from=drwalker@gbis.com Received: from gatewayhg8lyg0 (03-086.099.popsite.net [66.248.71.86]) by pop4.greatbasin.net (8.13.8/8.13.8) with SMTP id m16JZkPp026476 for ; Wed, 6 Feb 2008 11:35:47 -0800 Message-ID: <000601c868f7$7ba411e0$5647f842@gatewayhg8lyg0> From: "Don Walker" To: Subject: Re:More Progess Date: Wed, 6 Feb 2008 13:35:49 -0600 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0003_01C868C5.2FAD9450" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_0003_01C868C5.2FAD9450 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I haven't figured out the engine mis yet, but it may be somehow related = to the fact that the intake manifold pressure is all over the place. = With the top cowl off, at 3200 rpm I am getting a range of 12.6 to 13.7. = With the top of the cowl back on, it's a little higher. Can't remember = exactly. I got thinking about this and figured that there is a manifold = leak. I did pressure test it and fixed all the minor ones before I = cranked it over the first time. Then I remembered that some people had = to put dampners in the line to damper what I think are pulsations from = the prop. My throttle body is only 4 inches from the prop. Couldn't = find anything in the archives about this, so picked up 2 Brigs and = straton aftermarket fuel filters to see if this will do the job by = putting them in the MAP line to the EC-2. I'll try them out this = weekend. I'm fixing the obvious stuff first and then moving to the = difficult stuff. All plugs firing well in mode 8. Still getting the = mis at all RPMs. I will see what happens after the dampners. Anyone = have any other suggestions out there? Also, I am getting a fair amount = of blowby out of the crank case breather tube at 4500rpm. What are = others doing about this. Again, nothing in the archives.=20 Don Walker RV-Renesis N113BR ------=_NextPart_000_0003_01C868C5.2FAD9450 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I haven't figured out the engine mis = yet, but it=20 may be somehow related to the fact that the intake manifold pressure is = all over=20 the place. With the top cowl off, at 3200 rpm I am getting a = range of=20 12.6 to 13.7. With the top of the cowl back on, it's a little=20 higher. Can't remember exactly. I got thinking about this = and=20 figured that there is a manifold leak. I did pressure test it and = fixed=20 all the minor ones before I cranked it over the first time. Then I = remembered that some people had to put dampners in the line to damper = what I=20 think are pulsations from the prop. My throttle body is only 4 = inches from=20 the prop. Couldn't find anything in the archives about this, so = picked up=20 2 Brigs and straton aftermarket fuel filters to see if this will do the = job by=20 putting them in the MAP line to the EC-2. I'll try them out this=20 weekend. I'm fixing the obvious stuff first and then moving to the = difficult stuff. All plugs firing well in mode 8. Still = getting the=20 mis at all RPMs. I will see what happens after the dampners. = Anyone=20 have any other suggestions out there? Also, I am getting a = fair=20 amount of blowby out of the crank case breather tube at = 4500rpm. What=20 are others doing about this. Again, nothing in the=20 archives.

Don Walker

RV-Renesis

N113BR

------=_NextPart_000_0003_01C868C5.2FAD9450--