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best sparkplugs for e85?

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Old Feb 24, 2009, 03:57 PM
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best sparkplugs for e85?

alright guys, i own IX and i'm currently running e85, boosting at 26psi. Whats a good set of spark plugs I can buy for the IX. I know the VIII and IX uses diff. set of plugs. Hope ya'll can help. thanks!
Old Feb 24, 2009, 04:39 PM
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Moved.
Old Feb 24, 2009, 05:46 PM
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Everyone will tell you something different. My opinion is stock or IKH's... I've tried them all.... Even the NGK RACE plugs at $40 a piece LOL....
Old Feb 24, 2009, 07:26 PM
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i m trying to save some money here..haha..any more suggestion guys??
Old Feb 24, 2009, 07:31 PM
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Originally Posted by VishnuEvoIX2006
alright guys, i own IX and i'm currently running e85, boosting at 26psi. Whats a good set of spark plugs I can buy for the IX. I know the VIII and IX uses diff. set of plugs. Hope ya'll can help. thanks!
I have always heard great things about NGK and i have been running the NGK 7s in my evo on 100oct for 3 years now with no issues at all. as far as for e85 i think it is the gap that is really different from other fuel...
Old Feb 24, 2009, 07:54 PM
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I have an FP Red on E85 @ 30psi and I have been experiencing some real bad fluttering/hesitation issues at low-throttle and after shifting. I replaced my NGK's and now I have horrible hesitation under acceleration that I never had before... Could it be the gapping or something else? The car runs rediculously rich under part/low throttle...

Anyone have a recommendation for what I should gap these plugs at for my high HP setup? Buschur double pumper, 1200CC injectors, 02 dump, basic boltons, stock ECU.

Thanks
Old Feb 24, 2009, 07:56 PM
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I have the NGK 8's for E85, runs awesome. I gapped them at 0.25
Old Feb 24, 2009, 08:24 PM
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the reason why people re-gap (reduce) the plugs after switching to e85 is because of the higher boost they run after the tune. You can re-gap your plugs if they're still in good working condition.

sounds like most people have the gap set to 0.024 for your boost level.
Old Feb 24, 2009, 08:27 PM
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Stock heat range iridiums gapped to .020-.022
Old Mar 11, 2009, 11:16 PM
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I'd like to know too, I'm in his boat. I don't think we can gap any sparkplugs since ix's use iridium ones
Old Mar 11, 2009, 11:25 PM
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bpr8es gapped at .022 is what i do for e85 with no problems. And they're cheap.
Old Mar 11, 2009, 11:28 PM
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I see a lot of VIII replying to the thread. I think the OP is asking about recommendations for the IX that's different from the popular copper NGK's.
Old Mar 11, 2009, 11:54 PM
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Guys he has a IX, different plugs than the VIII's.
Old Mar 11, 2009, 11:56 PM
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Its been said, either stick with stock, since you have a budget, get the denso Ikh22s. So either NGK's or Denso's. Make sure they are iridium.
Old Mar 12, 2009, 08:50 AM
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Originally Posted by whoang40
I have the NGK 8's for E85, runs awesome. I gapped them at 0.25
Me too....but I am running a 1g dsm coil pack...never misfires on this combo no matter the boost I try pushing lol


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