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From: redbud@ihuxq.UUCP (Al Kelkhoff)
Newsgroups: net.auto
Subject: Spark plug heat range
Message-ID: <1254@ihuxq.UUCP>
Date: Tue, 2-Oct-84 17:31:13 EDT
Article-I.D.: ihuxq.1254
Posted: Tue Oct  2 17:31:13 1984
Date-Received: Wed, 3-Oct-84 23:59:01 EDT
Organization: AT&T Bell Labs, Naperville, IL
Lines: 10


 I would  like to know if anyone has information regarding spark
plug heat ranges.  I read recently that to increase the performance
of my 2.2 engine I should replace the current N12Y plugs with N9Y
or N7Y plugs.  As the numbers go down does the heat rating go up?
					thanks 
					al kelkhoff
					ihuxq!redbud