Here is a Pic of a GM 3.4L V6 head, with the good ol' dexcool right from the factory...
I'm sure there are some people that have no issues with it, but from what I have seen, i definetly won't be using it

BTW - GM currently has a Class Action Lawsuit against them currently for this issue...


FlaXXMaN - 1998 Contour Zetec MTX 202,000km and counting