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Spring tune up time is approaching and changing the spark plug(s)
is usually on the punch list. Putting in a new plug is great but the
old plug usually has something to tell you. I looked around and
found these links, they have some good tips on “Reading” plugs.
http://www.gnttype.org/techarea/engine/plugs.html
http://www.dansmc.com/spark_plugs/Spark_Plugs_catalog.html
is usually on the punch list. Putting in a new plug is great but the
old plug usually has something to tell you. I looked around and
found these links, they have some good tips on “Reading” plugs.
http://www.gnttype.org/techarea/engine/plugs.html
http://www.dansmc.com/spark_plugs/Spark_Plugs_catalog.html