Quote:
Originally Posted by Blizzz
If you guys are seeing 212+ water temps, you've got boiling water running through your lines...
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Not entirely true. But yes, it is common to see coolant boiling out of overflow tanks at the track in 100F degree weather. If you haven't seen this, you haven't driven hard in enough in the heat
Coolant has a higher boiling temperature. It also acts differently when pressurized vs in the atmosphere. It takes a higher temp to start boiling.