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 >> >>__________________________________________________ >>Do You Yahoo!? >>Tired of spam? Yahoo! Mail has the best spam protection around >>http://mail.yahoo.com |
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