How does a “HOT V” Turbocharged Engine Works?

In an effort to increase efficiency and performance, some manufacturers have implemented a “hot V” setup in in their engines, placing the turbochargers for their V-shaped blocks between the cylinders rather than on the outside. But how exactly does that improve the engine? Well, it’s all about packaging.

As Jason Fenske of Engineering Explained shows us, putting the turbocharger and its associated piping inside the V saves an enormous amount of space when compared to a normal turbocharger setup. Since there’s no snails hanging off the side of the engine, there’s a lot more freedom to place the powertrain within the car. Additionally, the amount of distance the charged air and exhaust energy have to travel is significantly reduced, meaning the turbocharger will spool quicker.

Cooling is better off as well since the hot V setup separates the warm and cool parts of the turbo system. The way it’s set up, the turbochargers and hot exhaust are at the top rear part of the engine, while the intake and charged air remain at the front and either side.

But that’s just a simple explanation. Watch the whole video to see how it works for yourself.

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