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Oil heater saves on fuel

15th November 1990
Page 13
Page 13, 15th November 1990 — Oil heater saves on fuel
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Which of the following most accurately describes the problem?

• Cornish Brewery of St Austell says the performance of its Volkswagen LT 35 diesel van has been "transformed" by using Cleenburn, a German system which warms the oil and fuel.

But the company has dropped plans to test the system on a Cummins 298kW (400hp) 14-litre engine, after Seddon Atkinson dealer Pannell Commercials warned that the warranty could be invalidated.

According to brewery dis tribution manager Derek Payne: "The Cleenburn made a remarkable difference to cold starting. It improved fuel consumption from 17 to 17.5mpg and it made a visible difference to exhaust emissions."

Cleenburn costs between 2200 and £300. "It is a brilliant system and Cummins' threat to withdraw warranty is absolute nonsense. I think they don't like it because they didn't think of it first," says Payne. "I'm biased towards this kind of thing, I must confess. I think we should clean up trucks and make them more populationfriendly. The manufacturers haven't moved fast enough."

However Barry Treglowan, service manager at Pannell, says: "I don't know of anyone else who's tried this device. It's only Derck who's concerned about that sort of thing down here."

Cummins' service marketing manager Nigel Palmer says that warranty claims will be met as long as a failure has nothing to do with any modification of the engine. "There seems to be a never-ending cycle of gadgets and additives to make the engine run better and last longer, but Cummins can't possibly test or approve them all," he says.

"There's a spate of them at the moment, probably because of the fuel-price increases. Some may work, some may not. I've had a lot of phone calls about something called Powerplus, for which great claims are made. We'd never heard of it before."


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