Date:         Sat, 12 Aug 2006 23:01:27 -0400
Reply-To:     "Daniel L. Katz" <katzd54@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "Daniel L. Katz" <katzd54@YAHOO.COM>
Subject:      Re: blue vs green vs orange coolant

list:

i just went to the evans link, and it claims that the newer npg+ product
obviates the need for mechanical modifiations. if someone tries this out
in a vanagon, it would be very interesting to report on the results.

dan

n Sat, 12 Aug 2006 22:44:37 -0400, Daniel L. Katz <katzd54@YAHOO.COM>
wrote:

>list:
>
>evans is propylene glycol with a special additive package. running pure pg
>will cause the engine to run much hotter, maybe 250 deg F or higher,
>unless the coolant flow rate is increased significantly. in theory, this
>is good because thermal efficiency is increased; and there is no problem
>with boilover because of the low vapor pressure of pure pg. but as anyone
>knows who has tried out pure pg (or eg), heat transfer is insufficient to
>operate at oem specified coolant temperatures without modifications, such
>as increasing flow rate and radiator area.
>
>dan
>
>On Sat, 12 Aug 2006 14:13:28 -0700, Malcolm Stebbins
><mwstebbins@YAHOO.COM> wrote:
>
>>Do you have an reasons as to WHY you think the van would "immediately
>overheat using Evans with
>>stock  water pump"?????    m
>>
>>--- "Daniel L. Katz" <katzd54@YAHOO.COM> wrote:
>>
>>> my guess is that engine would immediately overheat using Evans with
>stock
>>> water pump. interesting idea with proper modifications.
>>>
>>> On Wed, 9 Aug 2006 09:52:40 -0400, Daniel Stevens <dosteven@SYR.EDU>
>wrote:
>>>
>>> >but i'm seriously considering Evans racing coolant ( EVANS NPG+* NON-
>>> AQUEOUS COOLANT) http://www.evanscooling.com/html/npgPls.htm
>>
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