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Volvo's hot new V8 a first

2004-09-08 06:58
The new V8 engine marks a new turning-point in Volvo Cars' history. It is the first V8 the company has produced since it was founded in 1927, and the Volvo XC90 is the first model to be powered by the new engine.

The Volvo XC90 4.4-litre V8 produces 231 kW and its torque is a massive 440 Nm at 3 900 r/min.

At about 2 000 r/min 370 Nm of torque is at the driver's disposal.

To increase the low end torque, the Volvo V8 has a valve in the inlet manifold that is closed below 3 200 r/min.

In this mode the air flow between the two cylinder banks is cut off, which creates a broader and more even torque curve.

The car accelerates from to 100 km/h in seven 7.0 seconds while top speed is limited to 210 km/h.

New transmission

The power from Volvo's V8 engine passes through an entirely new 6-speed automatic transmission dimensioned to handle the high torque.

This unit too is of particularly compact dimensions so as not to interfere with the car's overall structure.

Volvo says that the sixth gear is a pure an overdrive ratio to ensure quiet cruising and low fuel consumption.

The new 6-speed transmission is of Geartronic type, which means that it can also be shifted manually. There is also a possibility for Lock-up, and slipping Lock-up, on all gears.

The third ingredient in the new Volvo Cars V8 powertrain is the electronic AWD four-wheel drive system, which now features Instant Traction.

This new technology improves the scope for quick getaways and provides enhanced traction on slippery surfaces. It has been developed by the Swedish company Haldex.

The AWD system has also been upgraded to handle the power of the V8 engine. Maximum short-term torque at the rear wheels has been increased by 50% compared to current XC90

On the new XC90 V8, a V8 badge appears in the grille and on the tailgate to indicate the power under the bonnet. But there are also other design details that set the XC90 V8 apart:

  • New 18-inch wheels
  • Side mouldings and door handles painted in the car's body colour
  • Graphite-grey grille
  • New chrome-plated trim around the bumper air intake
  • New twin exhaust pipes

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