Quote:
Originally Posted by jeff5may
Not to mention that modern, fuel injected vehicles are computer tuned for "normal" coolant, and would certainly rebel against the higher temperature ceiling.
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Coolant temps aren't a problem for regular drivers (let alone hypermilers) . Most of my cars have 88*C thermostats and they normally run at 80*C. The thermostats just barely dribble a little water into the radiator. This is proven by the radiators being just barely lukewarm after a drive.
Unless you tow or climb big hills the only possible consequence I can see is that the thermostat would be open a bit more of the time.