Spark Plugs

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20 July 2005, 09:20 PM

stiler83

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Spark Plugs

Does anyone know what make and model of spark plugs are fitted as std to the 03WRX?.

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21 July 2005, 08:43 AM

JIM THEO

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NGK PFR6G

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21 July 2005, 01:15 PM

jasonius

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Jim do you know what the difference is between the oem (NGK PFR6G) and NGK PFR7B plugs..?

I've heard they are cooler, does this mean the higher the number the cooler the plug..?

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21 July 2005, 08:24 PM

JIM THEO

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Exactly, if you upped the boost or have many mods use one number colder plugs

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