what spark plugs you guys use
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What's your application? There may not be one right answer.
denso iridium IK16 5303 gapped at .28 even though they don't recommend gapping them, you have to do them carefully
street car 452whp/338tq on 91 pump force induction turbo
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Isn't the IK16 a hotter plug than stock?
i don't believe so someone else on here runs them as well
i am on my 6th set of the same plugs
when i was first putting my setup together and getting ready to tune, these plugs were suggested
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274 Posts
If you dont have any issues with pre-ignition it doesnt matter, you are making great power so dont change anything.
But I did second guess my self and refer to denso web site, and the lower the number on the plug the "hotter" the plug. The higher the number on the plug the "colder" the plug.
Stock type-s is as IK22
i was the first k-series turbo my tuner tuned...
i guess when i get my ATi Dampner i will retune with some ngk-bkr9eix
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925 Posts
I use the NGK 2669 (or ngk-bkr9eix) same plug here's the best price I could find....http://www.summitracing.com/parts/NGK-2669/Application/?prefilter=1
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Any of you guys running the 9s having any idle issues? I'm running the 8s with my setup now and I'm getting random knocks at full throttle but I'm already pulling a shit ton of timing. I was told to switch to the 9s when I got tuned to help with the knock issue and to run a bit more ignition but I've been lazy and I wasn't really seeing any knock at all until the weather warmed up. I just ordered the 9s but a buddy said I'll probably have weird idle issues with them. Thanks guys.
NP dude :up: Hope everything is well with you.
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