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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