The thermostat is an integral part of the any cooling system. Removing it will cause the car to run longer at sub normal operating temp. Running at sub normal temp is the worse torture you can do to your engine. That's why idling to warm-up is not good. It will take longer to reach normal operating temp. Upon starting just allow enough time for the oil to circulate & drive off slow. Notice that at about 1 km you have reached normal operating temp. That is if you still have your thermostat on. Removing the thermostat is a convenient shotgun solution to an overheating problem. If your car overheats with a good thermostat on just means there are other problems in your cooling system. "Hindi kailangan ang thermostat dito sa Pilipinas" is a old, old urban legend.





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