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Old 02-24-2003, 11:11 PM
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Default sparkplug help
Hi, should i run 2 step colder or 1 step colder plugs for 9psi? I have full MSD ignition and i have a 12:1 FMU stock injectors with walboro 255 hp pump. Rev Hard 2c kit.

Is it bad to run too cold of a plug? other than fouling...thanks
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Old 02-25-2003, 09:52 AM
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Default Re: sparkplug help (turbospool)
2 steps will be fine. So just run a heat range of 7.
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Old 02-25-2003, 04:22 PM
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Default Re: sparkplug help (b16ahybrid)
does anyboyd know the part number for 2 steps colder ngk plugs on a B18B?
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Old 02-25-2003, 05:05 PM
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Default Re: sparkplug help (turbospool)
ngk bkr7e
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Old 02-25-2003, 06:05 PM
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Default Re: sparkplug help (turbospool)
does anyboyd know the part number for 2 steps colder ngk plugs on a B18B?
for a b18b, it should be zfr7f-11
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Old 02-25-2003, 11:37 PM
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Default Re: sparkplug help (zojirushi)
so is it the zf or the bk?


[Modified by turbospool, 8:37 AM 2/26/2003]
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Old 02-26-2003, 09:27 AM
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Default Re: sparkplug help (turbospool)
what plugs should i run on a h22a 8 lbs drag kit, i am currently running stock platinum, is that bag, it runs great, gas milege is horrible
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Old 03-02-2003, 07:49 PM
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Default Re: sparkplug help (spoolin22)
so is it ZF or BK for B18B LS motors?
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Old 03-02-2003, 11:05 PM
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Default Re: sparkplug help (evan2)
i know, i want to kno which NGK's are 2 step colder for the b18b
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Old 03-02-2003, 11:10 PM
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Default Re: sparkplug help (turbospool)
Do a search. I just posted a NGK chart a few days ago.
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Old 03-02-2003, 11:28 PM
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Default Re: sparkplug help (turbospool)
I've ran both the bcpr7es and bkr7e in my LS motors and they both do fine.
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Old 03-03-2003, 05:21 AM
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Default Re: sparkplug help (zojirushi)
for a b18b, it should be zfr7f-11
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Old 03-03-2003, 10:26 AM
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Default Re: sparkplug help (turbospool)
do you gain/lose any hp using 2 step colder plugs compared to just 1 step colder?

pros and cons of 2 step VS 1 step colder plugs?
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Old 03-03-2003, 12:13 PM
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Default Re: sparkplug help (earl)
https://honda-tech.com/zerothread?id=428343
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