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2011 HSV Grange Liquid Propane Injection option

Backed by the government's $2000 cash back rebate, the new WM3 HSV Grange is now available with a factory-fitted liquid propane injection package. This could mean less damage to the environment and to your wallet.


Different to conventional liquefied petroleum gas (LPG) cars, LPI injects LPG straight into the combustion chambers as a liquid. The liquid propane is then ignited at a much lower temperature compared to conventional petrol engines meaning high performance outputs are still very accessible.

Managing director of HSV, Phil Harding, explained the evolved LPG technology in a recent press release,

"LPI was developed to deliver two tangible benefits to the motorist. Reduced running costs as well as reduced emissions; however, from the very beginning we committed that we would not compromise on engine performance."

Harding says that although the technology has been around for a while in LPG form, HSV has been adamant in retaining the high performance aspect of its engines, "motorists had already bought into the idea of LPG as an alternative fuel, but they had always had to compromise in respect of engine performance. LPI overcomes this problem", Harding says.

HSV claims CO2 emissions from the HSV Grange exhaust are reduced by as much as 15 percent when running with the LPI system. But it's not only eco-friendly, it's also cheap to run. The car is filled up like any other LPG car. So although you may have to queue up with taxis, a full tank will cost you less than half as much as a full tank of petrol.

The car does require normal petrol for start up until the engine is warm though, so you still need to fill the car with petrol and it is still attributed to the running costs. Although, you won't be using as much.

The engine will then change from petrol to LP seamlessly. There's no switching to be made by the driver. HSV says people who drive the LPI engine say it's no impossible to tell the system is working and normal HSV response and power is felt from the engine.

Once the car is up to running temperature, the engine computer will continue to use the liquid propane until extra demands are asked. So if you're on a track and constantly on the accelerator pedal (or roughly when the engine is pushed beyond 5300rpm), the engine computer will switch back over to conventional petrol mode.

The engine does this through the use of two injectors in each cylinder; one petrol injector and one LP injector. The engine then switches from LP to petrol in an instant.

So even though the car is not completely LP-dependent, in most circumstances the HSV Grange LPI is a very cheap and clean luxury performance car to run. Whenever the need for acceleration is in demand, the engine can provide and change instantly into a high-performance car.

HSV offers the LPI package at $5990. And don't forget, the government will give you back $2000 of that. The initial cost of the package could pay itself off within a year quite easily.

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