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Old 01-03-2007, 04:03 AM   #1
Cusson
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Default Best spark plugs to use with vf34 setup?

in the process of installing my vf34 on my wrx; just wondering what the best spark plug to use with the turbo is? im trying to prevent pinging at high boost. any suggestions and where to buy/order would be appreciated.
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Old 01-03-2007, 04:13 AM   #2
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you can never go wrong with NGK Iridium one step colder...
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Old 01-03-2007, 04:15 AM   #3
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Quote:
Originally Posted by 02blueWRX View Post
you can never go wrong with NGK Iridium one step colder...
those are definately ones i was considering
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Old 01-03-2007, 04:18 AM   #4
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Quote:
Originally Posted by Cusson View Post
those are definately ones i was considering
can be purchased here:

http://www.oakos.com/Merchant2/merch...ct_Code=NGKBKR

or check vendor listings as well..
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Old 01-03-2007, 04:42 AM   #5
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Quote:
Originally Posted by 02blueWRX View Post
can be purchased here:

http://www.oakos.com/Merchant2/merch...ct_Code=NGKBKR

or check vendor listings as well..
thanks for the link
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Old 01-03-2007, 05:28 AM   #6
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that's what I have had for the last several times. Just be careful when you gap them and you will be fine. When I got them out of the box they were gaped at .037 or something. If simply installed it will hesitate and cause p0447 or rich error with a fuel cut like feel around 4k rpm @ wot. Mine are gaped at .032 and I don't have any problems.
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Old 01-03-2007, 06:03 AM   #7
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Quote:
Originally Posted by 02blueWRX View Post
you can never go wrong with NGK Iridium one step colder...
maybe on a STi but since he has a wrx he NEEDS copper 1 colder at .028 ir are very knock prone
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Old 01-03-2007, 06:43 AM   #8
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Quote:
Originally Posted by AWDWRXLOVER View Post
maybe on a STi but since he has a wrx he NEEDS copper 1 colder at .028 ir are very knock prone
+1 go for the coppers. You will have to change more often but you get better performance from them. I think they are BKR6E. These are what I run with my VF22. No problems and I always by 8 so I will have some for later. They are only like $1 and some change.
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Old 01-03-2007, 09:19 AM   #9
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Silverstones are also a very good choice. They will last longer than coppers and have better conductive properties.

Check nology.com
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Old 01-03-2007, 10:25 AM   #10
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Best place to post a question that has been discussed 9000 times? The appropriate forum!
Best spark plug? Maybe reading the sticky at the top of the appropriate forum.
Best spark plug advice? Referring to your tuner's advice.
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Old 01-04-2007, 03:58 AM   #11
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NGK BKR7ES-11 gap .28

I change mine every 5,000 miles, they cost like $10 a box of 10 or something they are cheap but they work well in my engine.
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