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Friday, May 2, 2014

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Every new succession of the Porsche 911 has traditionally been more of an evolution of the previous model rather than a complete redesign, but to imagine that engineers could build a 911 Turbo better than the 996 version nearly seemed impossible. Not so, as Stuttgart’s finest have amazed us once again with a car that’s more powerful and faster than the previous 996, and every bit as usable. In fact, the new 997 Turbo’s most amazing feat is the confidence-inspiring levels of usability, which manages to flatter even the most average of drivers.

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Since its introduction in 1974, the 911 Turbo has always differed from the regular models beyond just a mechanical view point but also an aesthetic one. The latest model is no exception. An aggressive front bumper, muscular fenders and gaping air intakes are all trademarks of a classic Turbo model, while unique 19in alloys plus an adjustable rear spoiler that automatically rises at speeds in excess of 120km/h solidify the look of the new car. The interior remains much the same as the rest of the 911 fleet, apart from the ‘Turbo’ labelling, silver and LED highlights of the gauge cluster, and digital boost gauge integrated into the tacho.

For the rest of the interior, there’s not much difference between it and the base Carrera, which is already widely appreciated for its superb cabin and comfortable and supportive sports buckets. The seats themselves are a big leap over those of the previous 996, now featuring adjustable height and headrests, lumbar support, and a position memory function for the driver. Despite the Turbo’s sporting connotations accessories like automatic climate control, CD stereo and sat-nav remain and are located at the base of the center console.

Even more power is available for models equipped with the optional Sports Chrono Package. Pressing the Sport button on the center console makes several adjustments to the engine management and suspension settings, providing more response thanks to Porsche’s new Overboost function. With the throttle floored, the blades of the VTG turbo are angled so that they increase boost pressure by 2.9psi for up to 10 seconds, increasing peak torque to an earth moving 680Nm. When accelerating from 80 to 120km/h in fifth gear, our recorded times fell from 3.8 seconds to 3.5 seconds with Overboost switched on.

Porsche also offers VarioCam Plus valve-lift technology for its entire 911 range, a valve-timing system that optimizes engine breathing and refinement, while reducing fuel consumption and exhaust emissions. During low load situations valve-lift is limited to just 3.6mm, reducing friction and resulting in a 10% improvement for emissions and fuel consumption over the 996 mill. At the other end of the scale, when power is demanded, valve-lift is increased to a maximum of 11mm, which ensures efficient air flow and minimal losses.

Source :motorauthority
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