FYI,
This 'stuff' is what is commonly called a 'wetting-agent'.
Wetting agents have been in use for a long time. They're commonly used
in photo-processing to prevent water spots on photo-surfaces. They are
very commonly used in household dishwashers to prevent water spots on
glasses. Basically, they help the molecules of the liquid to become more
'intimately' acquainted with the metal surfaces, e.g., the inside of the
radiator tubes. This helps in the transfer of heat from the liquid to
the metal. All decent anti-freezes contain a wetting agent. Adding Water
Wetter to a decent antifreeze-mix, e.g., 50/50, is overkill, IMHO.
Bud Krueger
52TD (Prestone 50/50 year 'round)
> Nory wrote:
>
> > If this stuff reduces the coolant temperature, what does it do in
> the
> > winter? Freeze your block faster? I'm afraid to use it up here in
> snow
> > country.
>
> It's suppose to help heat transfer from the radiator to the outside
> air. So
> if your thermostat is working correctly you should get more heat out
> of the
> heater since it will be able to transfer the heat to the air better.
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