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post #3 of Old 10-29-2017, 04:25 PM
MTF Junior Poster
Join Date: May 2017
Location: Alaska
Posts: 27
Re: A Primer on Gravely (T-head) Spark Plug Wires


Excellent job of putting the facts together about an often overlooked and/or misunderstood part of a healthy ignition system. No matter whether it's a magneto or battery ignition. A particular part that I will remember to consider now is that a poor condition plug wire could be the cause of a plug that consistently carbon fouls even after carburetor adjustments and jetting, adjusting points and timing, plug heat range changes, etc. Something to certainly put on your check list when trying to start an old engine that has been sitting for a long period of time especially if it has been left out in the weather. Well done.

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