spark plugs

Old 05-10-2009, 07:02 AM
  #1  
br1984
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Default spark plugs

whats the best plugs to run with gas 406 sbc alum heads has autolight 3910s in it now
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Old 05-11-2009, 04:07 AM
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CamBirdRacing
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I have always used a Jap plug. NGK, Nippondenso. Seem to last forever. After selling auto parts for 10 years, never liked an american plug. I even use Jap plugs in my 94 v-6 Firebird.
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Old 05-11-2009, 07:48 PM
  #3  
br1984
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what would be a good number in ngk like to have one to work with nos
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Old 05-12-2009, 04:19 AM
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CamBirdRacing
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All throttle, no bottle. couldnt'. answer that one.
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Old 05-12-2009, 04:25 AM
  #5  
TS1955
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Just remember, in an NGK plug the lower the number on the plug the hotter it is!

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