Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Tue, 29 Mar 2005 21:19:54 -0500 Message-ID: X-Original-Return-Path: Received: from systems3.net ([68.14.236.16] verified) by logan.com (CommuniGate Pro SMTP 4.3c3) with ESMTP-TLS id 828755 for lml@lancaironline.net; Tue, 29 Mar 2005 13:07:40 -0500 Received-SPF: none receiver=logan.com; client-ip=68.14.236.16; envelope-from=cberland@systems3.net Received: from systems0d3b724 ([192.168.1.81]) by systems3.net (8.13.1/8.13.1/Debian-12) with SMTP id j2TI6tn8011541 for ; Tue, 29 Mar 2005 11:06:55 -0700 X-Original-Message-ID: <009301c53489$23cb5820$5101a8c0@systems0d3b724> From: "Craig Berland" X-Original-To: "Lancair Mail List" Subject: [LML] Re: Alternative Engines X-Original-Date: Tue, 29 Mar 2005 11:00:01 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0090_01C5344E.7460EDD0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1437 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1441 X-Virus-Scanned: clamd / ClamAV version 0.75-1, clamav-milter version 0.75c on linux X-Virus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0090_01C5344E.7460EDD0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable "What is your understanding of the automotive experience with the multi-viscosity oils ??? Regards, George" George, the multi-vis oils are/were a necessity for fuel economy ratings = and cold starts (below 0 deg F). They are not so good for WOT testing. All max load and valve train tests = were run on straight 30w oil. Oil consumption and engine durability all = improve with straight weight oil. I might add I have not seen tests run = with the new synthetics such as Mobile 1. With that said, I just put the = new "Purple ??" synthetic oil in my new truck. But my truck sees <10% = power 90% of the time. In 1987 I left GM and started a company = manufacturing aerospace parts. My wife calls it my momentary loss of = sanity. Oh, I do like the LS1 a lot...I just finished a customized '72 = Chevy truck with the LS1 and 4L60E trans....very nice and very fast. My = youngest son's project with dad. Craig Berland ------=_NextPart_000_0090_01C5344E.7460EDD0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
"What is your=20 understanding of the automotive experience with the
multi-viscosity = oils=20 ???  Regards,  George"
 
George, the=20 multi-vis oils are/were a necessity for fuel economy ratings and cold = starts=20 (below 0 deg F).
They are not so=20 good for WOT testing. All max load and valve train tests were run on = straight=20 30w oil.  Oil consumption and engine durability all improve with = straight=20 weight oil. I might add I have not seen tests run with the new = synthetics such=20 as Mobile 1. With that said, I just put the new "Purple ??" synthetic = oil in my=20 new truck.  But my truck sees <10% power 90% of the = time. In 1987 I=20 left GM and started a company manufacturing aerospace parts. My = wife calls=20 it my momentary loss of sanity.  Oh, I do like the LS1 a lot...I = just=20 finished a customized '72 Chevy truck with the LS1 and 4L60E = trans....very nice=20 and very fast.  My youngest son's project with = dad.
Craig=20 Berland

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