Fleet Tests of Synthetic Lubricants 480193

RESULTS of extensive field tests of synthetic motor oil are reported here.
The author suggests that the following advantages are possible with the use of synthetic oils as compared with detergent oils:
  1. 1.
    Ability to cover a greater range of temperatures with a single grade of oil.
  2. 2.
    Somewhat reduced carbon formation, particularly on valve stems; such carbon as is formed is of softer texture; some reduction in frequency of valve and carbon jobs; slightly freer rings.
  3. 3.
    It appears that oil change mileages can at least be doubled in any given class of service, with no increase in the rate of oil consumption and with improved engine cleanliness.


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