Which sparkplugs to run?

Discussion in 'PSI Superchargers Tech Questions' started by lugnut, Jun 15, 2007.

  1. lugnut

    lugnut Member

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    The thread on sparkplug gaps was very informative. Wondering if anyone can recommend which plug to run in an alcohol funny car. We are running a Roots blower, msd 44amp mag, venney 2.500 heads, waterman gear pump. We are currently running ngk 9 plugs. Does this sound like the plug we should have?
     
    #1
    lugnut, Jun 15, 2007
  2. blwnaway

    blwnaway Member

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    We run the NGK10 plugs and have really good luck with them.
     
    #2
    blwnaway, Jun 15, 2007
  3. lugnut

    lugnut Member

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    I'm Guessing The 10 Is Hotter Plug?
     
    #3
    lugnut, Jun 16, 2007
  4. Mike Canter

    Mike Canter Top Dragster
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    No NGKs Denso and Bosch are opposite to Champion, AC or Autolite. With Bosch, NGK or Denso the higher the number the colder the plug. With Champion and Autolite the higher the number the hotter the plug. An NGK -10 is colder that an NGK -9.
     
    #4
    Mike Canter, Jun 16, 2007
  5. lugnut

    lugnut Member

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    This Website Kicks Ass!!!!
     
    #5
    lugnut, Jun 16, 2007

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