I'm waiting to hear from Dennis. I think he's still on his original heads.

Jeff
Not original heads

Sent from my iPhone

> On Apr 4, 2017, at 6:15 PM, bernie <1234bjs@GMAIL.COM> wrote:
>
> *From Go Westy*
>
> *Two year service (regardless of mileage):*
> Cooling system flush
>  -Phosphate-free coolant, any brand, any color
>  -Distilled water - must be distilled
> Brake fluid flush
> Clutch fluid flush (manual trans only)
>
> On Tue, Apr 4, 2017 at 2:47 PM, John Lauterbach <john@jhl.mgacoxmail.com>
> wrote:
>
>> 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
>>>
>>