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Old 02-21-2005, 09:58 PM   #1
kettsupp
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Default how much to gap spark plugs

i have i have the NGK iridium spark plugs (one step colder heat) for a WRX 02+ 2.0L and was wondering how much to gap them? i don't know if mods matter on how much to gap them but here are my soon to be mods just incase it does.

FP 18G
aps tmic
turboback
uppipe
modded stock injectors
k&n panel filter
utec


thanx AJ
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Last edited by kettsupp; 02-22-2005 at 06:20 PM.
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Old 02-21-2005, 10:10 PM   #2
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Please post in the right forum.

There are many experts on different facets of Subaru information. They tend to view and respond in the forums where their knowledge level is highest. By posting in the inappropriate forum, you are not only diluting the wrong forum, but short changing the search results of others and increasing the chances of an expert missing your question.
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Old 02-21-2005, 10:11 PM   #3
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There's a thread in the sticky post at the top of this forum that will explain all to you.
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Old 02-21-2005, 10:24 PM   #4
kettsupp
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sorry
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Old 02-21-2005, 10:33 PM   #5
benjis jun
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ill get you the gap clearance tomorrow. i forgot it. i think its like.035-don't hold me to it. ill get the exact gap tomorrow.
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Old 02-21-2005, 10:37 PM   #6
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What plugs, EXACTLY, do you have???? THAT is VERY important.....
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Old 02-21-2005, 10:40 PM   #7
benjis jun
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i have ngk iridium ix. i will put them in later though. your stock plugs are good for about 100,000 miles. they are a good set.
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Old 02-21-2005, 10:41 PM   #8
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iridium or stock are best.
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Old 02-21-2005, 10:41 PM   #9
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i have the NGK iridium spark plugs (one step colder heat) for a WRX 02+ 2.0L

MODEL: BKR7EIX
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Old 02-21-2005, 10:43 PM   #10
benjis jun
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ohh. i have model: BKR6EIX
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Old 02-21-2005, 10:44 PM   #11
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yea, you have the stock heat and i have the colder ones
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Old 02-21-2005, 10:47 PM   #12
benjis jun
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it really does not matter though. the plugs are good both ways. it matters when you mod to hell and back
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Old 02-22-2005, 01:01 PM   #13
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let me know how much to gap them

thanx
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Old 02-22-2005, 03:28 PM   #14
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Quote:
Originally Posted by kettsupp
let me know how much to gap them

thanx


....If you don't know EXACTLY how to gap an iridium spark plug you will very likely end up with expensive paperweights.......you can NOT adjust gap on them like a regular plug or you will break/bend the center electrode....I promise....I know how to gap the iridiun plugs and I have STILL broken them and I am VERY careful with them.....the center electrode is ***VERY*** fragile ! ! ! ! ! ! ! Touch it NOT AT ALL....if you do, you have likely broken it.

This is one reason that iridium plugs are NOT for the 'masses' and very likely the main reason some people have issues using(trying to use) iridium plugs.



...and .028"-.030" is good.
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Old 02-22-2005, 04:00 PM   #15
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do you know anywhere i could get them gapped at? i was going to have my dad do it because he knows how and i don't, but if he breaks it he will be buying me new ones
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Old 02-22-2005, 04:12 PM   #16
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i tink i read .7-.8mm gap, but im not 100% sure
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Old 02-22-2005, 04:26 PM   #17
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Quote:
Originally Posted by DJ_STI
i tink i read .7-.8mm gap, but im not 100% sure
0.7mm=0.0275"

0.8mm=0.0314"
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Old 02-22-2005, 04:29 PM   #18
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which should i do?
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Old 02-22-2005, 05:03 PM   #19
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....under .030" and over .028"....
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Old 02-22-2005, 05:28 PM   #20
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I just checked the '02 wrx manual and it says:

"Spark Plug Gap:
0.7 - 0.8 mm
(0.028 - 0.031 in)"
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Old 02-22-2005, 06:20 PM   #21
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ok thanx..
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