Monday, January 28, 2008
Porsche Cayenne - The Engine
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The Cayenne model includes another system, the resonance induction system with a variable-length intake manifold. This is also an inventive engineering concept that uses pressure waves created by the inlet valves.
It does this to increase the density of the incoming air, which, in the end, will increase the amount of energy released during combustion. There are two intake tubes, and depending on the speed, the system will select one of them.
The longer tube is used at lower speeds in order to maximize low-end torque. At around 4250 rpm, it switches to shorter Intake tube so that it maximizes power output with a more eager throttle response.
It does this to increase the density of the incoming air, which, in the end, will increase the amount of energy released during combustion. There are two intake tubes, and depending on the speed, the system will select one of them.
The longer tube is used at lower speeds in order to maximize low-end torque. At around 4250 rpm, it switches to shorter Intake tube so that it maximizes power output with a more eager throttle response.
Read more Porsche Cayenne - The Engine at http://mysearch.ph/porsche-cars/porsche-cayenne-the-engine.htm
Labels: porsche cars
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