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Functionality & Background Knowledge

Waterinjection is not new. During WW2, water injection was extensively used on both Allied and Axis aircraft. In the 1980s, Ferrari and Renault adopted water injection on their F1 turbo engines. Up until a few years ago (when it was banned), most World Rally Championship cars used water injection systems.

By using the Boost Cooler, you can expect up to approx. 10-20% more power on charged gasolines engines, 15-25% on Turbodiesels and up to 5-15% on naturally aspirated gasoline engines. - Even on pre-tuned cars.

Thermal Relief

Water Injection thermal relief chart.

Finally, when the remaining water droplets and water vapour reach the combustion chamber, steam is produced. When the water changes from the liquid to gas state, large amount of heat energy is consumed in sustaining the process. The latent heat of evaporation is 2256kJ/kg, approx. six times more than gasoline.

This chemical process acts as an anti-detonant and also keeps the interior of the engine very clean, so preventing the build-up of carbon “hot spots”. So water is the perfect liquid for regulating excess heat under certain engine-operating conditions and you´ll cool down your EGT, the valves, pistons and turbocharger!

Optimal cooling

Water Injection optimal cooling - get more power.

The Boost Cooler injection works in three ways: Firstly, when water is injected into the intake system prior to the cylinder head, the small droplets absorb heat from the intake air.

When we apply heat energy to it, its molecules begin to expand: a great deal of heat is absorbed during this process owing to water’s specific heat capacity - approximately 4.2kJ/(kg.K). Next, the small droplets of water start to evaporate. And so the intake air charge is cooled still further (up to 60°C and more).

Video presentation