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Revised Nissan 350Z Coming



13th February, 2007

As well as a world premiere of a unknown new model, Nissan will be showing, at the 2007 Geneva Motor Show, the updated 350Z which will reinforce its credentials as a pure sports car with thrilling, involving performance.

With the fitment of the next generation 3.5 V6 engine – engine code VQ35HR – power has risen to 230 kW at 6,800 rpm and torque is now rated at 358 Nm at 4,800 rpm, while the maximum engine speed has increased by 500 rpm to 7,500 rpm. Nearly 80% of major engine parts are new, providing improved acceleration and responsiveness.

To achieve the additional performance, a dual intake system has been fitted and the variable valve timing system has a wider range of operation, plus the addition of a common length exhaust manifold reduces back pressure. Those changes combine to boost low and mid-range torque.

In order to achieve the higher rev limit, the crank journal and crank pin have increased in size. At the bottom of the engine, a ladder frame has been added to stiffen the crank and reduce vibration.

The introduction of a second knock sensor, an asymmetric piston pattern, improved cylinder cooling and iridium spark plugs will combine to improve the efficiency of the ignition cycle, while an increase in compression ratio from 10.3 to 10.6 has liberated more top end power. Despite all these changes, weight and fuel consumption remain unchanged, but the engine’s centre of gravity has been lowered by 15 mm.

To accommodate the new engine the front bonnet has been discreetly redesigned and is now reminiscent of the original 240Z, thanks to a slightly raised profile, while three new exterior colours will also be offered. Temper Orange is a striking shade but also contains a subtle green “flip” which can be seen in soft light and gives the car a surprising tone, while a new grey – Precision Grey – and Night Blue complete the colour line-up.

Inside, a new trim has also been introduced, which is called Frost Grey. It is a pale tone and adds a touch of sophistication to the car’s interior. As well as a new interior trim colour, another important change to the interior is the fitment of Active Headrestraints, to minimise the chances of neck injury in the event of a rear impact.

And to improve on-road refinement, the 350Z is now equipped with Bridgestone Potenza RE050A tyres, however grip levels remain unaffected.

Sales of the newly revised 350Z are expected to begin around the third quarter of this year.

Other Nissan news is: here

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