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Old 12-01-2005, 01:54 AM   #1
Pete Holt
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Join Date: Jun 1999
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Location: Appleton, WI
2014 Evo GSR
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Question Best WRX spark plugs?

My '02 WRX is getting closer to 60K and hence time for new plugs in a little while. I have not even looked, but imagine my stock plugs are some of the NGK platinum variety. I was wondering if anyone would recommend different plugs or if it made much of a difference. My car is currently a Cobb Stage 2. I have heard good things about Bosch in general. Any imput would be appreciated.

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Old 12-01-2005, 04:16 AM   #2
Max Umbarger
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Join Date: Mar 2000
Location: Colorado Springs
2006 FXT


NGK BKR6E(copper) if you wish to change them frequently. That's my opinion. Also if you get around 100 more HP than stock move to a cooler plug. With a few mods and a protune of course!

Platinums are good to go if you don't want to change as frequent as copper, but in my opinion I would stick with NGK series. That is just my opinion, you read freely and choose as you like! Plus I just like copper because it is an awesome electrical conductor.


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Old 12-01-2005, 12:25 PM   #3
Uncle Scotty
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....pete....unless ya pretty well modded....the stock plugs are great for long intervals.....the coppers listed above should get ya a year's driving 20k or so......assuming no/light mods and for ~$2/ea.....and an easy hours time to change them.....
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Old 12-01-2005, 02:17 PM   #4
Pete Holt
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Location: Appleton, WI
2014 Evo GSR
Wicked White


My '02 is just a Cobb Stage 2 so it comes down to accessport and turbo back exhaust. Pretty basic stuff. Most of the money is in the wheels/tires, brakes, and suspension. I will be adding a few other minor bolt on's down the road like the cobb crank pulley and cobb intake, but nothing too crazy. In the distant future the car will probably eventually see a VF34 and some STi injectors to become a Stage 2.5, but I still have more money to waste on brakes first. I doubt I will ever do anything internal on this one until the clutch goes and I get a different flywheel to boot.
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Old 12-02-2005, 04:16 AM   #5
Big Ron
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I wish I could help you better Pete, but from my extensive research (look in the sticky thread for my Spark Plug FAQ), I'd just recommend the stock plugs gapped to around .030 or somewhere in that ballpark. If you want more bling, you can get the one step colder NGKs, but they really aren't needed now, but may be easier to change now for your upgrade.
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