Dark coloring, such as heavy black wet or dry deposits can indicate an overly-rich condition, too cold a heat range spark plug, a possible vacuum leak, low compression, overly retarded timing or too large a plug gap.
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www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faq...
www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp
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Find the chart listing the proper "gap" for your plugs in your car's repair manual. The spark plug gap may also be on the sticker on the inside of the car's hood. The parts store can provide you with this specification as well.
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www.ehow.com/video_110_replace-spark-plugs.html
www.ehow.com/video_110_replace-spark-plugs.html
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Sparkplugs.com stocks them all! Spark plugs, Spark plug wires, Ignition Wires, Performance Sparkplugs, Platinum Spark plugs and Iridium Plugs ... Specializing in spark plugs and spark plug wires. We also offer complete spark plug cross reference, Iridium spark plugs, Platinum spark plugs and other high performance plugs.
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www.sparkplugs.com/
www.sparkplugs.com/
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Ignoring the multiple ground firing electrodes in both the picture and illustration above, note the supplementary gap at the base of the threaded shell. This small gap aids in self cleaning by allowing the carbon to briefly accumulate which diverts ... NGK U.S. Racing Plug Chart ... Autolite's spark plug change walk-through...
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www.sparkplugs.com/sparkplug411.asp?kw=Supplementary+ga...
www.sparkplugs.com/sparkplug411.asp?kw=Supplementary+gap&mfid=0
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Spark plug - Wikipedia, the free encyclopedia
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A spark plug (also, very rarely nowadays, in British English: a sparking plug ) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed ...
en.wikipedia.org/wiki/Spark_plug
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SPARK PLUG APPLICATION CHART U.S. Model 3 Series 318i (E30, E36) M42 All 318i (E30) M10 All 318i, Z3 (E36) M44 All 320i (E21) M10 All `77 `79 320i (E21) M10 All `80 `83 325e (E30) M20 All 325e (E30) M20 All* 325i (E30) M20 All 325iX (E30) M20 All M3 (E30) S14 325i (E36) M50 All 323i, 328i, Z3 (E36) M52 All Z3 (E36)
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www.unofficialbmw.com/images/SparkPlugChart.pdf
www.unofficialbmw.com/images/SparkPlugChart.pdf
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Spark plug gap should be made as small as possible, while still maintaining performance. A wide spark plug gap can cause hard cold starting, misfires during rich or lean fuel conditions, and reduction of upper rpm range.
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www.powerarc.com/sparkplug.htm
www.powerarc.com/sparkplug.htm
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Please Register or Login to access: DriverSide Home | Service & Repair | Car Prices | Parts & Accessories | Reviews & Advice | My Garage ... 06-25-2005, 03:43 PM ... Add your comment to this topic!
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www.automotivehelper.com/topic424044.htm
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Information on installing spark plugs correctly ... Never install a spark plug without first checking its gap. The gap is the clearance between the electrodes at the firing end of the plug. Many people believe that 'however they come out of the box is fine'.
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www.hotrodder.com/kwkride/spark.html
www.hotrodder.com/kwkride/spark.html
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