TOO MUCH OIL.
A light-coloureil bluish smoke emanating from the exhaust pipe is a signal that too much lubricating oil is being used, either because an excess of oil is being fed to the engine, or because the engine is being run too far with the throttle nearly closed. In the case of a super-abundance of oil, some of this is vaporised by the heat of the engine, and is forced out
through the exhaust in the form of the bluish smoke, thus causing the driver to think that his car is using more oil than it ought to. -Running with the throttle nearly closed will accomplish the same result, for this causes a distinct vacuum in the cylinder on each intake stroke of the piston, and this va: uuni pulls the oil up past the piston into the combustion chamber, where it burns. It is for this reason that a car which has been left standing for some time with the engine running, will often start- off with a cloud of smoke.
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https://paperspast.natlib.govt.nz/newspapers/HAWST19280526.2.97.7
Bibliographic details
Hawera Star, Volume XLVII, 26 May 1928, Page 14
Word Count
173TOO MUCH OIL. Hawera Star, Volume XLVII, 26 May 1928, Page 14
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