A Cause Of Misfiring
When misfiring and chronically uneven running cannot be cured by all ordinary adjustments to the ignition system, it is worth remembering that the earth return, from the distributor head is through the shaft, upon which it pivots through a small arc to provide advance and retard of the spark tuning. Sometimes an excess of oil on this shaft or a certain amount of looseness will prevent a good contact between the shaft and the socket into which it fits. This naturally will, cause uneven running, and in very bad cases may make the engine very difficult to start.
If a wire is taken from a suitable screw on the distributor head to the body of the engine, a good earth return independent of the shaft will be provided and should effect a permanent cure of this elusive trouble.
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https://paperspast.natlib.govt.nz/newspapers/NA19380416.2.140.3
Bibliographic details
Northern Advocate, 16 April 1938, Page 15
Word Count
142A Cause Of Misfiring Northern Advocate, 16 April 1938, Page 15
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