X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 01 Jun 2011 07:42:37 -0400 Message-ID: X-Original-Return-Path: Received: from nm22-vm0.bullet.mail.bf1.yahoo.com ([98.139.212.126] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with SMTP id 4999923 for lml@lancaironline.net; Tue, 31 May 2011 22:20:11 -0400 Received-SPF: none receiver=logan.com; client-ip=98.139.212.126; envelope-from=mcmess1919@yahoo.com Received: from [98.139.212.144] by nm22.bullet.mail.bf1.yahoo.com with NNFMP; 01 Jun 2011 02:19:37 -0000 Received: from [98.139.211.200] by tm1.bullet.mail.bf1.yahoo.com with NNFMP; 01 Jun 2011 02:19:37 -0000 Received: from [127.0.0.1] by smtp209.mail.bf1.yahoo.com with NNFMP; 01 Jun 2011 02:19:37 -0000 X-Yahoo-Newman-Id: 87512.60412.bm@smtp209.mail.bf1.yahoo.com Received: from StevePC (mcmess1919@67.187.173.57 with login) by smtp209.mail.bf1.yahoo.com with SMTP; 31 May 2011 19:19:36 -0700 PDT X-Yahoo-SMTP: rK4i7HqswBC7mDE8.sOiWQeO4CeReXc- X-YMail-OSG: eWUH_38VM1nA5ETpkEG7J_xCAMzTaW4Qk046GDRdWaj0CrL hdbtDaOlBs0j7Ma1uqbDj__ROiVebnL5xbJDjD9CV8uo_W1jRzIhVzf.QY.K Iq3JaDehCjb5XtSDATwiA55Z1JjqNugKGcgAFLTyJS1Df3Ti8Hu6gsU9U.ow UBpQY64VIMzRcEMxTxlmDU2M5VhySR_w64IE42ox3RpLgWmoZvpPWf08E4DX yGNvkN.8S2wFvHuCdG2G_JAxX1vXBK2clqF8sDGdMKDQz3AY8MOscp.RzDiy ZWMUwDthnhnT.9Pt5EeOC9ZrS4X7kMjunu4FooWolscatmAduK40IKz7eFI_ SQXEizthhRVpqruOoYZR7Hkx6.wQ_8iIjFd2F X-Yahoo-Newman-Property: ymail-3 From: "Steve Colwell" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: Optimum IO-550 oil level - zero oil pressure event X-Original-Date: Tue, 31 May 2011 19:19:36 -0700 X-Original-Message-ID: <009101cc2002$5ab33860$1019a920$@com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0092_01CC1FC7.AE546060" X-Mailer: Microsoft Office Outlook 12.0 Content-Language: en-us Thread-Index: Acwfl3DOc5lE4/uYRv2sVUs9ViKTIgAOTXxQ This is a multi-part message in MIME format. ------=_NextPart_000_0092_01CC1FC7.AE546060 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Fred, We just got our IO-550 N back from Barrett Precision Engines. (For the record, my engine, like yours, was from Performance Engines and also had premature upper ring land wear at about 40 hours TT resulting in ring flutter with large quantities of oil blowing out the breather at a specific manifold pressure.) I just did not trust the engine considering the problems you, I and others have had so I had a precautionary tear down inspection. Barrett found a cracked case and one leaking exhaust valve at a total time of about 240 hours. So much for the background. Barrett exchanged the case, honed the ECI cylinders and put in new rings. I used about 2 quarts of Phillips XC 20-50 in the first hour break-in run at low altitude and high power. After replacing the 2 quarts, we flew another 1 hour high power flight with no noticeable oil use. Then we flew a 3.7 hour leg and a 3.5 leg with no measureable oil use. I have always run 7 quarts until launching from Austin, TX to Tucson, AZ. For a little extra insurance I went to 8 quarts. At the Placerville, CA destination I measured the amount drained for oil and filter change and still had very close to 8 quarts. Prior to the Barrett teardown but after new ECI Pistons and Rings were installed, I was getting about 15 hours to a quart. Steve Colwell Legacy Cont. IO-550 N by Barrett Subject: [LML] Optimum IO-550 oil level - zero oil pressure event So, again, what are you IO-550 guys using for normal oil level, and when do you add oil? What oil stories can others tell? Curious Fred ------=_NextPart_000_0092_01CC1FC7.AE546060 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Fred,

We just got our IO-550 N back from Barrett Precision Engines.  = (For the record, my engine, like yours, was from Performance Engines and = also had premature upper ring land wear at about 40 hours TT resulting = in ring flutter with large quantities of oil blowing out the breather at = a specific manifold pressure.)  I just did not trust the engine = considering the problems you, I and others have had so I had a = precautionary tear down inspection.  Barrett found a cracked case = and one leaking exhaust valve at a total time of about 240 hours.  =

So much for the background.  Barrett exchanged the case, honed = the ECI cylinders and put in new rings.  I used about 2 quarts of = Phillips XC 20-50 in the first hour break-in run at low altitude and = high power.  After replacing the 2 quarts,  we flew another 1 = hour high power flight with no noticeable oil use.  Then we flew a = 3.7 hour leg and a 3.5 leg with no measureable oil use.  I have = always run 7 quarts until launching from Austin, TX to Tucson, AZ.  = For a little extra insurance I went to 8 quarts.  At the = Placerville, CA destination I measured the amount drained for oil and = filter change and still had very close to 8 quarts.  =

Prior to the Barrett teardown but after new ECI Pistons and Rings = were installed, I was getting about 15 hours to a quart. =

Steve Colwell   Legacy  Cont. IO-550 N by = Barrett


Subje= ct: [LML] Optimum IO-550 oil level - zero oil pressure = event

 

 

So, = again, what are you IO-550 guys using for normal oil level, and = when do you add oil?  What oil stories can = others tell?

 

Curious = Fred 

 

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