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1 or 2 step colder plugs?

The ideal you're shooting for is "just cold enough to not cause any dangerous knocking" + "hot enough to keep itself clean so it doesn't foul quickly and misfire". It's

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Forced Induction
1 or 2 step colder plugs?

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05-22-2011, 05:58 PM	#8 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3596	The ideal you're shooting for is "just cold enough to not cause any dangerous knocking" + "hot enough to keep itself clean so it doesn't foul quickly and misfire". It's a delicate balance, and going colder when you don't need to can be detrimental in the long run if those colder plugs build up carbon fouling. dAvenue likes this. __________________ 7AT Track Car! Journal thread / Car setup details

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