There is not a handheld programmer available at this time capable of modifying fan settings in most of the new Ford engine management systems. A custom tuner will need to adjust the appropriate fan speed tables. These new systems read the head temperature directly which was typically around 8-10° hotter than the actual coolant temp in our tests. This means that a vehicle using our 170° thermostat will run somewhere between 178-200° according to the OEM sensor, depending upon conditions and fan settings. We rely on your feedback, so please let us know if you become aware of any new developments in managing the fan settings for this application.
3.7L installation & test courtesy of V6MustangPerformance.com
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