spark plug gap

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11-06-2010, 11:57 AM

srtwizzy

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spark plug gap

So i have some NGK iridium plugs and my car is completely stock, what should they be gapped at?

11-06-2010, 02:53 PM

Doppelgänger

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Iridums suck. NGK BK7s are where it's at.

11-06-2010, 06:16 PM

southernmx5

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What car do you have? An SRT?

11-06-2010, 06:23 PM

miata2fast

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Let me get this straight. You are asking plug gaps for a stock motor.......you are REALLY asking us this question.

11-06-2010, 06:38 PM

18psi

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OP is a lost cause. Gap them to 2 inches

11-07-2010, 09:43 AM

y8s

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Quote:

Originally Posted by Doppelgänger

Iridums suck. NGK BK7s are where it's at.

based on what? I love them.

smaller electrode means higher current density means more reliable spark or the ability to run a slightly larger gap.

and the iridium is one of the hardest metals on earth which means they last longer.

OP: gap them to .038-.040 but be careful because you can bust the electrode off easily. most stores sell them pregapped for this reason.