what spark plug to use

Old 08-15-2011, 10:06 AM
  #1  
john910
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Default what spark plug to use

i have a sbc with vortec heads what is a good plug to start with and what # plug . thanks for your help.
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Old 08-15-2011, 05:04 PM
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482
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I like the NGK plugs! JMO
I think NGK TR5 is stock replacement for gas. I think they have TR55 and TR6 for different heat ranges. May give you something to start with.
Some of the other fellows could help better on the small block stuff, I run 8's in a gas BBC
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Old 08-28-2011, 10:17 AM
  #3  
lanham
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I use NGK plugs too.
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