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Date:         Tue, 4 Apr 2017 17:47:19 -0400
Reply-To:     John Lauterbach <john@JHL.MGACOXMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         John Lauterbach <john@JHL.MGACOXMAIL.COM>
Subject:      Re: Anti-Freeze opinions
Comments: To: olrivrrat@comcast.net
Content-Type: text/plain; charset=UTF-8; format=flowed; delsp=no

We need facts, not opinions. I know that some of you reapir vanagon for a living. How often should I drain and flush the cooling system on my Vanagon; The last time my Vanagon saw new coolant was August 2003 What would you do if you were servicing my Vanagon?

John

On Mon, Apr 3, 2017 at 2:23 PM, OlRivrRat wrote:

> On 2 Apr , 2017, at 11:35 PM, Gene P wrote: > >> If your cooling system is operating properly, you could be running >> apple juice or skim milk in it and the running temperature will be >> determined by which thermostat is installed. Exotic fluids do not >> change the setting of a thermostat. > > Valid Point > To a Point ~ Let's consider this ~ If WW is able > to create a Condition that Improves Heat Transfer From Eng' Metal to > Coolant & Coolant to > > Radiator Metal & Coolant to Thermostat then the Thermostat Could > Conceivably Sense Heat Changes More Quickly & Therefore Respond More > Quickly to those > > Temp' Changes ~ > > But ~ Also To Be Considered > Since Our Temp'Gauges & > Temp'Sensors Only Supply Us with the Temp' of the Coolant, We can Only > Assume that We > > know the Actual Temp' of the Eng' ~ Since We Don't have PistonTop or > Cylinder or Head Temp' Sensors, We just have to have Faith that the > Coolant is able > > to give Us & The ECU accurate info with which We & The ECU can develop > an Educated Guess as to the Actual Temp' Conditions present within the > Eng' ~ > Let's Surmise ~ If WW Actually Lowers Heat Transfer, thereby > Leaving The Heat in the Eng'Metal & also Being LessAble to Transfer > the Heat that it is > > able to collect to the Temp' Sensor, It Would Appear To Us, Via the > Temp'Gauge, that WW Was Indeed Keeping the Eng' Cooler when in > Actuality it Would > Only be keeping the Coolant Cooler ~ > > Yet Another Thing to Consider > The ECU makes Its Educated > Guesses as to the Conditions In & Around The Combustion Chamber, in > part, from Temp' > > Info It gets from the Coolant Temp' Sensor ~ So ~ If WW Does Alter the > Heat Transfer Ability of the Coolant, Up or Down, That Temp' Info > Could Indicate to > > the ECU that the Conditions In & Around The Combustion Chamber Are Not > What They Actually Are ~ That Could Get Confusing to the ECU if > Coolant Temp > > was Telling it it Needed to Go Rich & The O2Snsr was Telling it it > Needed to go Lean (or VisaVersa) ~ > There is a Bit More Info & Ideas about WW in the Archives @ > http://gerry.vanagon.com/cgi-bin/wa.exe?A1=ind1607c&L=vanagon#12 > > > ORR ~ DeanB


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