usually when reading about cars im told that this next generation model has vents that allow for better cooling of the engine which leads to better performance, im wondering why cooling some machinery allows it to preform better and if this is a universal thing or if some things run better when hot
In: Engineering
It doesn’t, really.
An engine works best if it’s at the temperature it’s designed for. For car engines that typically means a coolant temperature of 80-90°C, and there’s a thermostat in the cooling system that allows it to maintain this temperature. In other words, too hot isn’t good, but too cold isn’t good either.
High performance cars, especially turbocharged ones or ones that don’t have the engine in the front often have problems getting rid of the heat fast enough, so anything that provides more airflow is usually beneficial.
For economy cars that’s typically not an issue because the engines are less powerful and produce less heat as a result. These cars often try to get away with using as little cooling air as possible because in order to minimize aerodynamic drag and decrease the fuel consumption, having the air flow around the car is generally better.
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