X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 11 Jul 2007 16:29:55 -0400 Message-ID: X-Original-Return-Path: Received: from [68.98.211.24] (HELO systems3.net) by logan.com (CommuniGate Pro SMTP 5.1.10) with ESMTP id 2171166 for lml@lancaironline.net; Wed, 11 Jul 2007 10:40:42 -0400 Received-SPF: none receiver=logan.com; client-ip=68.98.211.24; envelope-from=cberland@systems3.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C7C3C9.5DEF2FAD" Subject: [LML] Re: oil filters - 21st century preferred Content-class: urn:content-classes:message X-MimeOLE: Produced By Microsoft Exchange V6.5 X-Original-Date: Wed, 11 Jul 2007 07:40:02 -0700 X-Original-Message-ID: <87C33F695961494D886EB3B6C8A476512F3EE9@s3server.Systems3.local> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [LML] Re: oil filters - 21st century preferred Thread-Index: AcfCjyvNUXcRbt6ESDuVHFMU+0KnTgBOXVhg From: "Craig Berland" X-Original-To: "Lancair Mail List" This is a multi-part message in MIME format. ------_=_NextPart_001_01C7C3C9.5DEF2FAD Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable =20 Craig said, He changed to a "straight" weight oil from multi viscosity for better engine protection. =20 I've been wondering about that. I just changed my oil from 50 to 15-50. With the straight 50 I had noticeable turbo lag (like I got to 38" about halfway through the takeoff roll). With the 15-50 I had 38" almost instantly. 86 dF OAT. Maybe that's the difference between clean and dirty oil but I doubt it.=20 I assume this is related to wastegate operation somehow.=20 =20 This is certainly possible due to the viscosity change if the oil temp is low. Think of it as "steering control". Living in Phoenix makes the straight weight decision much easier. Craig =20 ------_=_NextPart_001_01C7C3C9.5DEF2FAD Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable
 
Craig said, He = changed to a=20 "straight" weight oil from multi viscosity for better engine=20 protection.
 
I've been wondering about = that.    I=20 just changed my oil from 50 to 15-50.
With the straight 50 I had noticeable = turbo lag=20 (like I got to 38" about halfway through the takeoff roll).
With the 15-50 I had 38" almost=20 instantly.   86 dF OAT.
Maybe that's the difference = between clean and=20 dirty oil but I doubt it. 
I assume this is related to = wastegate=20 operation somehow. 
 
This is certainly possible due to the = viscosity change if the oil temp is low.  Think of it as = "steering=20 control". <g>  Living in Phoenix makes the straight weight = decision=20 much easier.
Craig
 
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