Open-road gas guzzler

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I RECENTLY had my BA Falcon RTV ute converted to LPG, using the Parnell VSI injection system. In town, fuel consumption is 20 per cent worse than petrol, about 15-16 litres/100km. But on the open road it's sucking 40 per cent more, taking 14 litres/100km. Is this normal?

Answered by CarsGuide

3 November 2006

Graham Smith

THE rule of thumb with LPG is it will use 15-20 per cent more litres of LPG than it would petrol, and that seems to be true of your car around town. But like you I would expect a little less, probably about 12 litres/100 km, on the open highway. Go back to your installer and see if it can retune it to achieve a better result on the highway.

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