Thread: colder plugs
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Old Oct 13, 2009 | 11:42 AM
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amx1397
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Joined: Apr 2008
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From: Indialantic Fl./blairsville Ga
Default Re: colder plugs
one step colder plug, the car will run better, if you are a aggressive driver ,,, but if you putt putt around then maybe go one step hotter than stock.
read this
HowStuffWorks "Spark Plug"
jim
 
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