A hot vee turbocharged engine (or hot V) is a V engine with one or more turbochargers in the "V" between the cylinder banks. This reverses the gas flow in the traditional layout for V engines where there is a single intake manifold in the center of the V (the "cold side").[1] The hot vee offers a shorter air path from the turbocharger, through an intercooler, and back into the engine intake, which can reduce turbo lag.[2]

Applications

Ferrari 126C F1 car used a hot vee in 1981.[3] BMW N63 was the first production motor using the hot vee,[4] used in the US-made BMW X6 since 2008. Since then others have been introduced including the Mercedes-AMG GT (2014),[5] the Porsche Cayenne Turbo (2018) and Cadillac's twin-turbocharged 4.2 liter V8 in the 2019 CT6-V.

References

  1. ↑ Scott Evans (June 21, 2021), "What Is a Hot Vee Engine? What makes a V-6 or V-8 engine a "Hot Vee"/"Hot V" and why does it matter?", Motor Trend
  2. ↑ Evan Williams (December 13, 2018). "Hot Vee Engines: How do They Work?". GMInsideNews.
  3. ↑ Raphael Orlove (September 9, 2014), "The Coolest 'Hot Vee' Turbo Engines", Jalopnik
  4. ↑ Brian Silvestro (October 4, 2017), "Here's How "Hot V" Turbocharged Engines Work", Road & Track
  5. ↑ Brian GRABIANOWSKI (April 4, 2016), "Engines Exposed: The Ludicrous "Hot-V" Engine By Mercedes", Carbuzz


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