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Spark Plug Recommendations?

Old Apr 3, 2009, 12:36 PM
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Spark Plug Recommendations?

Just had my plugs foul on me so its time to change them. I was just wondering what others have had luck with. Also, what kind of gap setting. Let me know.

Thanks
Old Apr 3, 2009, 01:41 PM
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Anyone?
Old Apr 3, 2009, 01:43 PM
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NGK BPRE8S.

gap at .22
Old Apr 3, 2009, 02:04 PM
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I assume you mean BPR8Es and thats what I have been using
Old Apr 3, 2009, 02:07 PM
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Yeah got a little case of dyslexia.

So you assume since they fouled out it's the NGK's fault?


I've been running these for years with zero problems. Just replace them at regular intervals.
Old Apr 3, 2009, 02:18 PM
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Nope, did not say that at all. I need to be tuned really bad, runnin way rich. I just replaced them less than a month ago. I was just wondering if anyone was using anything else.
Old Apr 3, 2009, 02:21 PM
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Denso Iridium IW's... I use a 31 which is like 2 steps colder than stock I think.

They are like $20 a plug though. But I've never fouled them and never had an issue with them. Even at 41 psi on stock coils.
Old Apr 3, 2009, 02:28 PM
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NGK BPR8ES
You need to experiment with the gap setting, I usually go anywhere from .23-.3

you got to take this into consideration
Copper NGK will do the best job, but wont last long
They are cheap anyway

I always keep a spare group of 4 in my toolbox, and change them AT least once a month
Old Apr 4, 2009, 08:42 AM
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I have done extensive testing and have always found the NGK Iridium IX plugs to be the best plug on the market for any boosted engine. This is coming from many many years of dyno tuning.

NGK Iridium IX BR8EIX(or BPR8EIX if you'd rather a protruding electrode) gap them at .028. If you get misfires, then gap them down 1/.001 at a time until you dont have misfires.

Plus, NGK has a two year replacement on these plugs.
Old Apr 4, 2009, 09:05 AM
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r u fully build ???
im on bpr7es havent had a problem at all , i would not use bpr8es if ur not making mad power man
Old Apr 4, 2009, 11:42 AM
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Originally Posted by iTune
I have done extensive testing and have always found the NGK Iridium IX plugs to be the best plug on the market for any boosted engine. This is coming from many many years of dyno tuning.

NGK Iridium IX BR8EIX(or BPR8EIX if you'd rather a protruding electrode) gap them at .028. If you get misfires, then gap them down 1/.001 at a time until you dont have misfires.

Plus, NGK has a two year replacement on these plugs.
2 year replacement?
i wouldnt argue with these plugs! if you dont want to go the copper option, this would be the way to go
Old Apr 4, 2009, 04:22 PM
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Yes, Im fully built and running a gt35r at 25psi. Waitin on the downpipe for the gt37r
Old Apr 4, 2009, 04:23 PM
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Im thinkin you cant go wrong with the iridium. Ill do that next go around
Old Apr 5, 2009, 01:48 AM
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Denso iridium one step colder gaped to .020
Old Apr 5, 2009, 07:45 AM
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NGK Race Plugs - BR8EG

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