This is topic 347 stroker spark plug gap in forum Tech Talk at Northern California Ford Owners  .


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Posted by kuku93 (Member # 14014) on :
 
Does anyone know what spark gap should be for a 347stroker
 

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Posted by Martinna (Member # 12493) on :
 
It's not that critical. Higher compression and boosted applications need a smaller gap. Put on some good copper plugs like NGK, Autolite, Motorcraft around .040".
 

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Posted by 1fastmach1 (Member # 10137) on :
 
boost/na / or nitrous
 

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Posted by kuku93 (Member # 14014) on :
 
It's N/A.. 9.5 compression.
 

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Posted by Martinna (Member # 12493) on :
 
Stock gap and copper plugs are good for a N/A 9.5:1 compression motor.
 

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Posted by kuku93 (Member # 14014) on :
 
Thank you
 

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