NGK B9EGV question

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01-09-07, 08:17 PM

eddierotary

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NGK B9EGV question

ok i got some B9EGV because alot of people run them and i heard good things about them and im wondering at what gap should i set them? i have a street ported engine and i was running EIX's and i always had ignition breakout and i had them gapped at .048 leading because i have a MSD on the leading side and .032 on the trailing side. thanks

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01-09-07, 10:23 PM

cewrx7r1

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Most gap between .020" and .025". I gap at .025".

The EIX need a larger gap for a smoother idle due to being RESISTOR plugs but what you ran was too large for boost. Gap the EIX at .030" and they will be fine.

Why .048"?????

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01-09-07, 10:26 PM

Hyper4mance2k

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b9es are under $2 each and i've never heard a bad thing about them... gaped at .20 or .25

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01-10-07, 04:57 PM

eddierotary

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Quote:

Originally Posted by cewrx7r1

because i heard from people that i talked to that because i have a MSD box i have to run like .048 of gap and yes i said the same thing, why?? but i had them before to .028 and i had so much problems with them and the idle thing too. that why i change to EGV's because i wanna try them and i can boost more that .70 barwithout ignition breakout and have better start up. BTW how long EGV last?

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