Thread: Proper Spark Plug Gap?
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Old Jul 23, 2014 | 03:32 PM
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boostmonkey
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Default Re: Proper Spark Plug Gap?
NGK BKR7EIX-11 iridium spark plugs (Needswings link) one heat range colder than OEM here gapped at .042" and runs like a dream at 21 psi.
 
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