I see a troll that needs some attention
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TheSnoMan.com

No "troll" you cannot help yourself from spreading improper
information. Like I said the glycol does not break down only the
aditives while trying to control the galvanic reactivety of the water
in coolant with engine parts it contacts. If you run a higher
consentation of glycol you can greatly extend coolant life but there
are those such as you that will say water cools better even though
glycol is densor and it takes more heat to raise a gallon of it one
degree than it does water and it has a lower surface tension as well
and transfer heat out of motor better too. See trolls such as your
self do not know the chemistry behind things so you rant and rave a
lot. SOme may say that the temp gage is a little higher with higher
glycol consentrations but that is because it is conducting more heat
out of the block die to lower surface tension and a reduces gas bubble
bbarrier forming around hot parts that inhibits heat transfer from
metal part and temp gage reads coolant temp true not block or head
temp. BTW, I have been running 70/30 for many years and I have a
excellant coolant life and I have a 18 year old vehicle that over flow
tank is still clean as new. I also run 7 to 9 PSI caps to reduce
stress on hoses and cores and I have no overheating issude at all in
any climate with any load. (the higher pressure cap used with lower
consentrions to increase boil point and to help minimize gas bubble
barrier on hot parts is not nereded with higher gycol concentrations)
Keep up the "trooling" though and it is good for entertainment. BTW,
if you run proplyene glycol (non toxic antifreeze) you can even run
100% if you want because it has it highest freezing and boiling point
and 100% consentraion. It is used in true artic climates.
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TheSnoMan.com