Ugh.
I searched before and came up with too many posts with too many opinions and I wanted to just clean some things up...

I have 17%, with NGK BKR7EIX - 11 , 1 step colder, i believe..
It has worked flawlessly for last 30k miles or so... no problems YET but I definitely feel that I need to change it just to be safe..

Now, should I go two step colder? (380cc, 17%, intake, exhaust) or just stick with wut I have right now?

Also, do anyone know how much the OEM plug wires are? I figured that it would be better to just change the wires often vs. buying 150 wires that won't do much..

thanks in advance

 

I second this thread. I have a 15% pulley and a 2% crank and a few other mods. i try to research spark plugs ( as far as hotter and cooler ) and theres literally hundereds of pages of mostly opinions. can someone clear this up for me? i am running factory NGK now and want the best for my application. Nice thread SPRP85.

 

If you've run 30,000 miles and have had no problems with the plugs and are not getting detonation, then why change? It sounds like what you have works fine, so I'd stick with it.

IIRC, the factory wires are about $60 for the set - either the black or the colors.

 

We sell and use the BRISK plugs and have been very happy with them. They use a silver electrode and come in two heat ranges. For a pullied car obviously the colder range is ideal. You can see both on our website!

Let me know if I can help further!

 

I put colder plugs in and had to change back to stock because I was running to rich for some reason...I know this does not make sence, but hey not everything does...
I think that you really have to be running your car pretty hard to effectively use the colder plugs, or just need a tune

 

Denso IK22 has worked great for me....

 

Stick with what you have. Just get a new set.

 

I also put colder plugs (Denso IK22) and they got fouled. I never knew if it was just the plugs, though, since the time with the plugs coincided with a Unichip. I replaced the Densos with the stockers, removed the Unichip, and have had no problems since

Btw, I have 15% pulley/header/catback/intake and JCW flash

 

No fouling here and no Unichip.

 

denso 22 here. 19% - 380s- giac flash. pulled today:look new. 20K MILES
DOUG

 

independent of brand - many here have opted for one step colder plugs.

I swapped out to Denso IK22 - can't say its made any noticeable difference but I have not had any negative issues.


Not a bit investment - if you need plugs worth a try.