X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm4.access.bullet.mail.mud.yahoo.com ([66.94.237.205] verified) by logan.com (CommuniGate Pro SMTP 5.4.0) with SMTP id 5041307 for flyrotary@lancaironline.net; Sun, 03 Jul 2011 15:18:02 -0400 Received-SPF: none receiver=logan.com; client-ip=66.94.237.205; envelope-from=echristley@att.net Received: from [66.94.237.195] by nm4.access.bullet.mail.mud.yahoo.com with NNFMP; 03 Jul 2011 19:17:25 -0000 Received: from [66.94.237.101] by tm6.access.bullet.mail.mud.yahoo.com with NNFMP; 03 Jul 2011 19:17:25 -0000 Received: from [127.0.0.1] by omp1006.access.mail.mud.yahoo.com with NNFMP; 03 Jul 2011 19:17:25 -0000 X-Yahoo-Newman-Id: 712068.95478.bm@omp1006.access.mail.mud.yahoo.com Received: (qmail 53435 invoked from network); 3 Jul 2011 19:17:25 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=att.net; s=s1024; t=1309720645; bh=H45g2DI48o6FPC9B+GX+R81DLc3CJJ3LAxmTLwhY+jk=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type; b=qTYiVn7x6AaNn+jeQUXaQw3GYfoDBxkGuXUSrhMKGCt7x+fzWSWbBORfv9Bd29Pv5nNvXtZH4aOl5ORcmN9TrbZ5COFmRoSLW/EPZE1SFQmRqlHVBNi5g6+LyZQKrxJGy6cfXtABX7dgIXsMQPFtdCWnDS6XNk+IFDi7idJw1U0= Received: from [192.168.1.2] (echristley@65.190.53.180 with plain) by smtp107.sbc.mail.mud.yahoo.com with SMTP; 03 Jul 2011 12:17:25 -0700 PDT X-Yahoo-SMTP: 40RP3pGswBDvPav1a.I8eMv.KS8bdgWBnCloVoKaow-- X-YMail-OSG: Xf6iVoYVM1mvveNO.f_Blx0M_nzX8jnZLgzOct3dZtY95q9 HHCAv65aPWrJGde7r8U7Gx09QbFO5CXxDzh7aicgF8gAOTvkRfeuL2zgIequ qYwn7xOtaTjhiGv8zhHnWjSl_Dc4n2cmhAWLvG3qfsioyc_F5wf44iQYplF1 n83lF1a.TE7X7.EnE641.OV_2OZwRpB8yU4Q.dHGk94h4kS83rUVDWoFX9l3 hDxoPSSeYAVPmzgJcSBXwe_l1sw2ddkLWO9ynmYcLdzmlafUqRJK5DW6I6N8 8MUVp7d7no_8vn4V82UNStgdlp0tF_9Ko.JSVHXnLLoITdg-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <4E10BFC2.2090708@att.net> Date: Sun, 03 Jul 2011 15:15:14 -0400 From: Ernest Christley Reply-To: echristley@att.net User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: Leaking injectors? References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------060401080104010804090808" This is a multi-part message in MIME format. --------------060401080104010804090808 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 07/02/2011 09:52 AM, Kelly Troyer wrote: > Ernest, > Your EFI fuel pumps have a check valve in them and will hold > regulated pressure > for a long time or until leaky injectors relieve this > pressure..........Short of replacing > the injectors the fix is to put a pressure relief orifice from the > fuel pressure line to > the fuel return line... Shouldn't shutting down by cutting power to the fuel pump relieve the pressure, though? --------------060401080104010804090808 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit On 07/02/2011 09:52 AM, Kelly Troyer wrote:

Ernest,

Your EFI fuel pumps have a check valve in them and will hold regulated pressure

for a long time or until leaky injectors relieve this pressure..........Short of replacing

the injectors the fix is to put a pressure relief orifice from the fuel pressure line to

the fuel return line...

Shouldn't shutting down by cutting power to the fuel pump relieve the pressure, though?
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