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Date:         Tue, 26 Jan 2016 08:55:51 -0800
Reply-To:     Stuart MacMillan <stuartmacm@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stuart MacMillan <stuartmacm@GMAIL.COM>
Subject:      Re: Cold starting oil report Mobil 1 15w-50
Comments: To: Dennis Haynes <d23haynes57@HOTMAIL.COM>
In-Reply-To:  <BAY405-EAS405218F892DC3F8DACB86CAA0D80@phx.gbl>
Content-Type: text/plain; charset="us-ascii"

Impressive. Where are you measuring the oil pressure? At the pump from the bypass plate to your cooler or at the tap on the case? I've never seen a WBX go above 60 psi cold measured at the case, and it soon drops into the twenties. And that includes a fresh professional rebuild.

Stuart

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Dennis Haynes Sent: Monday, January 25, 2016 7:42 PM To: vanagon@GERRY.VANAGON.COM Subject: Cold starting oil report Mobil 1 15w-50

So Fun Bus still has the 15w-50 oil in it. According to the Thermostat with remote outside sensor this morning it was 12F. Due to the snow and my having the Nokian WRG3 tires (235/55-17XL) and it being a Syncro I decided to take it to work.

Turning the key the GoWesty starter turned the engine over with authority and it fired right up. Oil pressure immediately went to ~80psi. I let it warm up while I scrapped the windows, set up my phone to play music and then off I went. I was driving gently as the roads were still covered with hard pack ice and some snow. A few times the pressure made it to 90 psi. Once I made it to the highway service road (~1 mile) the pressure was dropping already. In ~2 miles I was getting it up to highway speed and the oil pressure was going down under 70 psi. After about 6 miles total the coolant was near temp and the oil temp was catching up. With the oil cooler 165F or so is all the oil will go up to. Oil pressure in this state is about 25 psi at idle and near 60 at speed. This is for an engine at 290K.

BTW I love the way the Nokians work in this mess.

Dennis


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