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gap for copper spark plug

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Old Aug 28, 2008 | 03:06 PM
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Default gap for copper spark plug

i just bought a greddy turbo kit , i'm trying to gap the spark plugs that i just bought they're the NGK Racing (copper)**
6097.


what is the gap that i need have them at?
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Old Aug 28, 2008 | 10:16 PM
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With turbo applications, you might want to narrow it down a bit, to make it easier for the spark to jump the gap through all that dense compressed mix. I guess .030-.035 should do it for the , what, 8 psi? boost. Good luck, show dyno!

Mark K.
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Old Aug 28, 2008 | 10:23 PM
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Originally Posted by Kirpich,Aug 28 2008, 10:16 PM
With turbo applications, you might want to narrow it down a bit, to make it easier for the spark to jump the gap through all that dense compressed mix. I guess .030-.035 should do it for the , what, 8 psi? boost. Good luck, show dyno!

Mark K.
That would work.
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Old Aug 28, 2008 | 10:23 PM
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Most people dont run that plug though. What is the heat level?

NGK 7173 is one degree cooler
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Old Aug 28, 2008 | 10:25 PM
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Those arent the copper racing plugs. You got the Vpower plug.
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Old Aug 28, 2008 | 11:17 PM
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Originally Posted by 9kFever,Aug 28 2008, 10:23 PM
Most people dont run that plug though. What is the heat level?

NGK 7173 is one degree cooler
What gap should we run with these 7173's? Boosting North of 10 PSI, 17-18 PSI max.
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Old Aug 28, 2008 | 11:23 PM
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Originally Posted by S2krazy2,Aug 28 2008, 11:17 PM
What gap should we run with these 7173's? Boosting North of 10 PSI, 17-18 PSI max.
.032 works
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