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1. 

   Joined: Nov 30, 2005
   Posts: 256

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   shane85

   Member

   from naperville il

   I have a sbc with 4-71 and a joe hunt mag i also run 100 lowlead fuel. what spark plugs should i be running?

    

   shane85, Aug 2, 2012

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2. 

   Joined: Jun 5, 2004
   Posts: 2,070

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   D.W.

   Member

   from Austin Tx.

   1 to 2 heat ranges colder than the stock plug.
   
   Autolite 3926 should work.
   
   
   Cool car.

    

   D.W., Aug 2, 2012

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