Originally Posted by chrispie123
but being a country car in the heat i dont think that gives much of a gap between boiling point so i opted out for a 92degree and my fuel economy liked it do almost double the range
Actually if you run good coolant and the system pressurises correctly the coolant won't boil until 120C or a bit higher. Or if you run a stronger coolant mix it goes up to 130C or thereabouts..
100C is common mistake that I made a while ago until I was better informed.