Reische Performance FORD-50 GEN-2 170° Performance Thermostat

Reische Performance FORD-50 GEN-2 170° Performance Thermostat

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The 2nd generation Ford-50 thermostat is made with the same exact components as your OEM unit, including a rubberized diaphragm, and is only available from Reische Performance. It's a direct-fit unit with proper bypass control so you're guaranteed maximum efficiency from your cooling system. No Chinese knock-offs here, this is the highest quality unit currently available for this application. 100% made in USA.

This thermostat will provide the best possible heat dissipation from your setup and even deliver better overall performance than our competitor's 160° thermostats. Reische believes the 170° opening temp is the ideal balance for high performance engines, providing high flow to your radiator by mid-180 temps while still providing good all season performance. With proper fan settings your coolant temps in cool weather will be in the 170s and in hot weather the 180s, giving those running high levels of timing and/or boost added protection against engine-damaging detonation as well as maximum hp.

All Reische Performance thermostats ship with a new O-ring and are backed by a 5 YEAR WARRANTY.

2011-2020 Mustang & Shelby GT350 3.7/5.0/5.2L (exc GT500)
2011-2014 F150 Truck 3.5/3.7/5.0L
2015-2020 F150 Truck (all engines)
2015-2020 Edge/MKX/Nautilus 2.7L
2015-2020 Expedition/Navigator 3.5L
2017-2020 Continental 2.7/3.0L
2017-2019 Fusion 2.7L
2017-2020 MKZ 3.0L
2020-2020 Explorer/Aviator 3.0L

Ideally the fan settings in your tune should be lowered to see the best possible heat dissipation from your cooling system. Otherwise a low temp thermostat will only be effective when the vehicle is moving because heat cannot be removed unless there is air passing through the radiator. However, there is not a handheld programmer available at this time capable of modifying fan settings in most of the new Ford engine management systems. The fan speed tables will need to be adjusted through a custom tune or via tuning software. These new systems estimate coolant temps based on readings from a dry head temp sensor. However these ‘inferred’ ECT values can be more volatile and vary from vehicle to vehicle. For example Mustangs typically read around 8-10° hotter whereas an F150 may read closer to actual coolant temps. This means that a vehicle using our 170° thermostat could see ECT anywhere between 165-205°, 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 these applications.

Vehicle: 2013 F150 EcoBoost 3.5L - Ford-50 Gen2 - Mileage: 31090 - Test Date: Aug 27, 2016
Conditions: Engine @ operating temp, AC on/cooling fan med, ambient temps 91-94°
Sustained idle: ECT 180°
60mph cruise: ECT 177°, IAT 95°
Highest logged: ECT 187°
Lowest logged: ECT 167°
Vehicle: 2012 Mustang 5.0L - Ford-50 Gen2 - Full bolt-on mods - Test Date: Aug 26, 2016
Conditions: Engine @ operating temp, AC on/cooling fan med, ambient temps 88-93°
Sustained idle: ECT 189°, ACT 122°
60mph cruise: ECT 183°, ACT 100°
Highest logged: ECT 189°
Lowest logged: ECT 181°


More Information
Condition New
Warranty 5 Years
Manufacturer Reische Performance
Manufacturer Part No RP-FORD-50
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