I have used Havoline Brand Dex-Cool (the orange stuff) for over 10 years now
with no ill effects, despite other opinions offered from time to time on
this list.  It is Phosphate-Free.  I change out my coolant every two years
and never had the "sludge" build up that others have described either.
--
Jim Thompson
84 GL 1.9 "Gloria"
84 Westfalia 2.1 "Ole Putt"
73 K Ghia Coupe "Denise"
72 411 Station Wagon "Pug"
oldvolkshome@gmail.com
http://www.oldvolkshome.com
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On Dec 7, 2007 1:13 PM, David M <covrambles@yahoo.com> wrote:

> What is the recommended coolant now? All I see in the
> stores is Prestone or Peak and neither say
> "phosphate-free".
> The last time I changed it (5 years ago) I put in some
> long-life orange stuff (I forget the brand name) but
> now I can't seem to find it.
>
> - David ('87 Wolfsburg)