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Discussion Starter #1

I normally run my VP diesel at 1,900 to 2,100 revs depending on conditions (a good deal slower than VP recommends) but every now and then I run it at up to an hour at 3,000 (when fuel consumption triples) on advice given very long ago that "diesels need to be worked".

Is this good advice or an old wives tale?

Any advice appreciated.
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