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what spark plugs?

 
Old Apr 22, 2010, 01:35 AM
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what spark plugs?

What would be some good replacement spark plugs? I want to run on some good stuff.
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Old Apr 22, 2010, 03:04 AM
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i'm using HKS 45MXL it's 9 heat range and running well with my WI setup
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Old Apr 22, 2010, 06:55 AM
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Ive been told OEM are one of the best ways to go
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Old Apr 22, 2010, 08:52 PM
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same here i talked to mickle at ets about the same thing and he said they are running the stock plugs all this time with no prob
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Old Apr 22, 2010, 08:55 PM
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I tried to research this topic a few days ago, and the general concensus was stock plugs. Too bad they are rediculously expensive!!!

One of my factory plugs broke at 10k miles too.

I wish NGK would come out with the same plug as factory (but not sold as a mitsubishi) for 1/4 of the price.
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Old Apr 22, 2010, 08:57 PM
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I would go with NGK's i replaced the stock ones in my 03' with new NGK's and oh my goodness it ran soooooooo much beeetteeerrr!
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Old Apr 23, 2010, 07:15 AM
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OEM FTW.. I put to other brand that claimed "racing" and best plugs for X... ended up being a waste. I switched back to the OEM plugs.
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Old May 15, 2010, 08:57 AM
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ngk are good and cheap
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Old May 15, 2010, 01:30 PM
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Once I was pushing well over 400 WHP, I was having issues with the ceramics failing and dropping over the electrodes on the stock NGK plugs. I switched to Brisk plugs and they were the ****. Even after a catastrophic failure of my engine (snapped con rod) they were still 100% intact. None smashed, none eroded, none even fouled. Put about 1000 hard miles of testing and tuning @ 32 psi w/ a BB-X on them before that with 0 issues.

If you have to drop a heat range because you're making over 100 WHP over stock, definitely try the Brisk silver plugs. I've seen some bad reviews on them, but like with most things, it was probably user error. One thing you have to watch for on their plugs is the top terminal nuts; they come loose and may loosen as you install/remove the plugs to check them. Make sure to get them snug with a set of vice grips+soft rubber pad so you don't have any misfire issues.

If you're not running well above stock power, the stock NGK plugs are the way to go. In fact, they're the only ones available for this application minus the colder HKS and Brisk plugs.
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Old May 15, 2010, 11:43 PM
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Originally Posted by UT_EvoX View Post

If you're not running well above stock power, the stock NGK plugs are the way to go. In fact, they're the only ones available for this application minus the colder HKS and Brisk plugs.
There're also NGK Racing Series plugs.
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Old May 16, 2010, 12:06 PM
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Oem seems to be fine for me
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Old May 18, 2010, 02:09 PM
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Originally Posted by skyseer View Post
There're also NGK Racing Series plugs.
Those are at least $45/plug. MSRP on them is $100 a piece!

Definitely not a cost-effective option unless they become mass-produced and the price drops.

For these NGK Racing plugs: R2556B-9 is one heat range colder than stock
R2556B-10 is 2 steps colder

Stock plugs cost nothing compared to these... and remember, most here bought a $35,000+ new car. A set of $75 plugs shouldn't be anything to you if you can afford and appreciate a new Evo.

Last edited by UT_EvoX; May 18, 2010 at 02:12 PM.
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Old May 20, 2010, 12:23 PM
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What about these?
Spark Plugs BRISK Silver Racing


http://www.perrinperformance.com/pro...ory=4&model=26

Do plugs actually make a difference?
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Old Jun 1, 2010, 09:03 PM
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are the brisk plugs colder than stock?
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Old Jun 1, 2010, 09:35 PM
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factory sparks are good, if your car is stock... if your car is modded to 400whp and above, or new turbo, E85, then you need okadas
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