![]() 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 power output. Note that your temperature reading is done with a head sensor and not an actual water temp sensor. The Reische thermostat comes with a 1yr warranty. |
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This is a very quick and easy install. You can put it on it 15 minutes.First remove your intake so you can get access to the thermostat housing. The housing on the 3.7L motor is on front and pointing towards the passenger side. |
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Remove two bolts to get to the thermostat. |
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You might want to have a pan below to catch the coolant that comes out. Or you can pre-drain the coolant via the drain cock on the radiator.You also want to perform this thermostat modification with the coolant cold. |
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3.7L Mustang thermostat comparison. The stock unit is on the right. The 170 degree thermostat is on the left. |
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3.7L Mustang thermostat comparison. A shot from the side. |
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Slide the new thermostat into the housing.Button it all back up top your coolant level off and enjoy your new cooler running thermostat. |
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Check out their website reischeperformance.com for more info and how to purchase the 3.7L Mustang 170 degree thermostat. |