Turbochargers are wonderful things, taking waste energy and using it to help an engine to produce more power. The variable-geometry turbocharger is an advanced version of this technology, which brings ...

2007 - PACE Award Winner Porsche AG with BorgWarner Turbo and Emissions Systems GmbH What: The BorgWarner Turbo and Emissions Systems Gasoline Turbocharger with Variable Turbine Geometry Judge's ...

As good as the 5.9-liter Cummins engine is, it could do with the nicer variable geometry turbo from the newer 6.7-liter. Is it possible to do that?

Volvo Trucks North America has revealed its new Variable Geometry Turbo engine. This launch is meant to pair with and improve the new Volvo VNR truck. Focusing on fuel efficiency and durability, Volvo ...

Conventional wastegate equipped turbochargers suffer from narrow effective engine power speed range. Their turbines must be sized for either low speed response or high speed horsepower. Variable ...

Have you ever thought that a four-turbo engine could be related to family cars and diesel vehicles? Indeed, these are ...

It doesn’t matter if you drive a GM, Ford, or Ram diesel truck—if it was built after 1993, it has a turbocharger under the hood. If you’re currently driving one of the new-generation clean-diesel ...

Diesel engines need two things to make power: air and fuel. We know that's grossly oversimplified, but it's true. If you increase the engine's ability to ingest air, you can add more fuel and thus ...

SAE International Journal of Engines, Vol. 4, No. 2 (2011), pp. 2405-2417 (13 pages) ABSTRACT In order to increase the efficiency of automotive turbochargers at low speed without compromising the ...

Question: I see advertisements for the joys and wisdom of driving a turbocharged automobile. How does the turbo differ from a “regular” auto? Why would one choose a turbo over some other engine? How ...