X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 20 Jan 2014 02:13:37 -0500 Message-ID: X-Original-Return-Path: Received: from vms173003pub.verizon.net ([206.46.173.3] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6694248 for lml@lancaironline.net; Sun, 19 Jan 2014 23:42:44 -0500 Received-SPF: none receiver=logan.com; client-ip=206.46.173.3; envelope-from=Adam@ValidationPartners.com Received: from VpiWorkstation1 ([unknown] [69.124.233.79]) by vms173003.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0MZO009IWNQ9DD60@vms173003.mailsrvcs.net> for lml@lancaironline.net; Sun, 19 Jan 2014 22:42:10 -0600 (CST) From: "Adam Molny" X-Original-To: "'Bill MacLeod'" , References: Subject: RE: [LML] Re: Another take on air filtration X-Original-Date: Sun, 19 Jan 2014 23:42:24 -0500 X-Original-Message-id: <920CF29320934702A6AC4E64D4330C13@VpiWorkstation1> MIME-version: 1.0 Content-type: multipart/alternative; boundary="----=_NextPart_000_01BF_01CF1570.1B5E2970" X-Mailer: Microsoft Office Outlook 11 Thread-index: Ac8Vkvf9/oX0rKLYTlCdObd0+PMa0wABMcQw X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 In-reply-to: This is a multi-part message in MIME format. ------=_NextPart_000_01BF_01CF1570.1B5E2970 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Bill - >Curious though, do you know why the silicon dropped by almost half over the last 100 hours? >The extra 2 quarts of oil might explain it. I just read an article by Mike Busch saying that the silicone in many sealants can find its way into the oil and silicone level will drop after a few oil changes. My engine was freshly rebuilt before the first flight, so that makes sense. Also, I installed a new prop shortly before my last oil change. I had to add a quart to make up for the oil that filled the prop hub. Adding fresh oil dilutes the dirty oil, bringing my numbers down. However, I think Blackstone takes that into account since they ask for the amount of make-up oil added between changes. BTW, I change my oil and filter at 50-hour intervals and typically add 3 quarts between changes. That works out to 1 quart every 17 hours. -Adam Molny ------=_NextPart_000_01BF_01CF1570.1B5E2970 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Bill -

 

>Curious though, do you know why the silicon dropped by = almost half over the last 100 hours?

>The extra 2 quarts of oil might explain = it.

 

I just read an article by Mike = Busch saying that the silicone in many sealants can find its way into the oil = and silicone level will drop after a few oil changes. My engine was freshly rebuilt = before the first flight, so that makes sense. Also, I installed a new prop = shortly before my last oil change. I had to add a quart to make up for the oil = that filled the prop hub. Adding fresh oil dilutes the dirty oil, bringing my numbers down. However, I think Blackstone takes that into account since = they ask for the amount of make-up oil added between changes. BTW, I change = my oil and filter at 50-hour intervals and typically add 3 quarts between changes. = That works out to 1 quart every 17 hours.

 

-Adam = Molny

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