Mark,
    I stand corrected.   You are right on base on the
freezing point.   regards gary
http://www2b.abc.net.au/science/k2/stn/newposts/556/topic556083.shtm
Date:    Thu, 9 Oct 2003 17:46:22 -0700
From:    Mark Tuovinen <mst@AK.NET>
Subject: it will actually freeze

Gary,

You assume much, just because I live 40 miles from the
valley world
renown for the strength and quality of its organic
recreational
pharmaceuticals,I DO NOT SMOKE ANYTHING, except maybe
punks in souped up
Honda's(even if they are my customers).
 You do not need -70F to see a gallon of antifreeze
turn to ice! Living
34 years, and working 20 years in the automobile
business in Anchorage,
AK I have seen entire pallets of frozen antifreeze. If
I recall
correctly it happens around -25 to -35F, not frozen
solid, but definitely
frozen more than I want in my engine. Your household
freezer does not get
cold enough to duplicate the temperatures that many
parts of the world
see. Cold weather is just as good a reason to not use
full strength as
hot weather is. The chart that the antifreeze
manufacturer puts on the
back of the bottle is NOT there for decoration,
Ethylene Gycol needs
water added to give your engine maximum protection
from cold as well as
heat. A quick check of the print on the back of one of
several different
types of antifreeze that we have in stock reveals the
warning to never
use it above 75% strength. A 60/40 mix will be good
for about -60F,
about as good as you can get it, but not good enough
for some areas
. The poor souls that live near Fairbanks, AK, about
370 miles north of
me can see temperatures as high as 100F in the summer,
and as low as
-75F in winter.

If you would like further verification on this I would
be glad to
provide the names and numbers of clients that run
automotive repair shops up
here.

Mark in AK
87 Westy Syncro

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