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Fuel-wasting Britain says tuning survey

25th July 1981, Page 11
25th July 1981
Page 11
Page 11, 25th July 1981 — Fuel-wasting Britain says tuning survey
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DESPITE increased fuel costs, van and car engines in more than 90 per cent of vehicles on British roads continue to use at least ten per cent more fuel than necessary because of poor carburation adjustment and faulty timing coupled with worn spark plugs and high tension circuits.

These are the main findings of a survey carried out by HomeTune which says these faults may also increase engine wear, and contribute to sluggish performance and difficult starting, especially on cold mornings.

In Home-Tune's first survey — released in February 1981 and covering a sample of 550 vehicles tuned in December, 1980 — 95.5 per cent of vehicles reported on required adjustments to the carburation systems.

In the latest report, of a sample of 500 cars tuned, 94 per cent needed similar attention, The incidence of faults found in the distributor rose by more than 13 per cent to 88.4 per cent with the percentage of engines needing timing adjustments remaining the same at 77 per cent.

The results clearly show that despite around 180,000 engine tunes carried out annually by Home-Tune which are claimed to result in savings of around six million gallons of petrol with a retail value of almost C10m, there is still great scope for considerable additional savings in vehicle running costs and the general public continues to be apathetic on energy conservation.

A well-tuned engine can reduce fuel consumption by as much as 11 per cent, according to Home-Tune research, and by 18,7 per cent according to a report by the Champion Sparking Plug Company.

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