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Ngk plug ?

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Old May 17, 2014 | 07:39 AM
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Default Ngk plug ?

I'm running ngk tr6 gaped @ 24 for 12.psi all right ?
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Old May 17, 2014 | 09:26 AM
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I would rather see you run some Br7ef's ngk part number 3346
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Old May 18, 2014 | 01:00 AM
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Should be just fine.
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Old May 18, 2014 | 07:36 AM
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do you guys think running a hotter plug could help eliminate back fire?
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Old May 18, 2014 | 02:32 PM
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Old 02-14-2014, 03:09 PM #17
denmah
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i run a NGK TR6 - 4177 gapped at 24 in all my builds, 400-700whp
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Old May 19, 2014 | 11:32 AM
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Default My plug use

Originally Posted by jaywill
I'm running ngk tr6 gaped @ 24 for 12.psi all right ?
Personally, I'm using NGK TR6 IX plugs gapped at 33 for 12 lbs of boost (I guess I need to update my sig) on my 383 / LT1/4 - but, a number of people (here) have suggested that these plugs are too hot.

For what it's worth - the NGK technical representative that I spoke with on the phone actually suggested using the very plug that I now run (i.e. - the NGK TR6 IX plug) after hearing the various aspects of my engine and turbo setup, so I'm of the mindset that I made the correct choice.
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