actually, adding more antifreeze will raise the boiling point of the coolent &
it
won't boil over so easily. The ideal ratio is about 50/50.
John
dardal@xxxxxxxxxxxxxxx wrote:
> A suggestion for potentially overheating car. I learned that from my 68
>sedan,
> that due to rust in the cooling system, tends to run hot in the summer. Here
> is one of the things I learned. The antifreeze necessary in the winter to
> prevent freezing and corrosion is reducing the heat transfer effectiveness of
> the coolant. So, when summer comes, I reduce the concentration, and that
>helps
> the car stay a little cooler. Also, since I am too lazy to attempt to clean
> the block from rust (actually I have tried, but not as good as I could have,
>or
> as DB has suggested) I have done the following. I installed a motorcycle
> radiator behind the grill and a series of valves. In the summer, I turn off
> the heater valve (Autotemp obviously not working, [yet!]) and turn on the
>valve
> that deviates the heater flow through the auxiliary radiator. That keeps the
> temperature bellow 210 in the hottest summer day driving at high speed
> (surprisingly, my overheating problem was not at idle).
>
> D^2, 2x68's
>
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