2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

question about plugs

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Old 06-30-2008, 04:38 PM
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question about plugs

i just switched from autolite platnium to ngk 1 step colder and when i pulled out the autolites i noticed a white substance on the plug and a little red or orange near the bottom of the plug what do these colors mean i've heard that orange or redish is just a chemical burn

oh and the autolites where gapped at 39 and i gapped the ngk at 38 since i dropped pulley size. does this sound right?

almost looked like white powder but not powder

Last edited by brett5; 06-30-2008 at 04:38 PM. Reason: Automerged Doublepost
Old 06-30-2008, 04:50 PM
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i have a similar setup to you and keep my ngk irridiums (1 step colder) at factory gap (.35)
Old 06-30-2008, 04:54 PM
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i thougt factory was .40
Old 06-30-2008, 06:11 PM
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Originally Posted by brett5
i thougt factory was .40
for platinums

irridiums showed .35
Old 06-30-2008, 08:36 PM
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oh well what about the plugs i have i re gapped them at .35 seems to be running pretty good..but what about the white...i heard white means too lean which i doubt its that with the stage 2 tune or too hot...which 1 step colder should take care of that right?
Old 07-01-2008, 03:31 PM
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can someone please help me out here

and i know have the one step colder copper..shouild they still be gapped at .35????? any one please help give me a range to be in or someothing or someone that is running these pllugs in a simialer set up to mine

Last edited by brett5; 07-01-2008 at 03:31 PM. Reason: Automerged Doublepost
Old 07-01-2008, 03:37 PM
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if .35 gap is fine with your irridiums then they are fine with copper.

If your running too lean no plug in the world will save you. It just supresses detonation a bit and helps.
Old 07-01-2008, 03:39 PM
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Originally Posted by rrutter81
if .35 gap is fine with your irridiums then they are fine with copper.
oh ok thanks
If your running too lean no plug in the world will save you. It just supresses detonation a bit and helps.
and i understand that but do you really think thats the case the car runs great...could the white just mean too hot
Old 07-01-2008, 03:44 PM
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im not understanding the "white"
Old 07-01-2008, 03:47 PM
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can you upload a pic of the plug so i can see... multiple readings can be done by looking at the plug..i need to see the coloration of the white.. where it is.. how it fits.. and the rest
Old 07-01-2008, 03:48 PM
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i pulled mine last night because my car seems to be bogging down a bit, mine were white as well, almost a chalky looking white
Old 07-01-2008, 03:52 PM
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Originally Posted by Acidangel_5.0
can you upload a pic of the plug so i can see... multiple readings can be done by looking at the plug..i need to see the coloration of the white.. where it is.. how it fits.. and the rest
Yeah, you need to post a pic of the plug if you want it read, a description really doesn't help.
Old 07-01-2008, 03:53 PM
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Originally Posted by bgbearcatfan
i pulled mine last night because my car seems to be bogging down a bit, mine were white as well, almost a chalky looking white
yea thats how mine where almost the porcielan part looked fine a little brown and black actually a little orange too... but no i can't uplaod pics...i'm on a gm stage 2 tune tho i highly doubt its lean unless my catless downpipe is effecting it like i said tho she runs fine no problems
Old 07-01-2008, 03:53 PM
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nod.. clearity is a must.. threads and arch..





look like either one?
Old 07-01-2008, 03:54 PM
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any modification to the exhaust to help it breathe better will lean it out some.
Old 07-01-2008, 03:57 PM
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no bogging either...i don't know i'm probably over reacting....its probably just too hot

Originally Posted by rrutter81
any modification to the exhaust to help it breathe better will lean it out some.
would that actually hust the car tho or just the plugs

Originally Posted by Acidangel_5.0
nod.. clearity is a must.. threads and arch..





look like either one?
no i looked at all those already and what i got from them was too hot or too lean...so thats why i'm here really dosen't look like any of them tho.

Last edited by brett5; 07-01-2008 at 03:57 PM. Reason: Automerged Doublepost
Old 07-01-2008, 03:57 PM
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Originally Posted by brett5
would that actually hust the car tho or just the plugs
id really need to see a log of your engine before "helping" you. If you have hptuners or some sort of ODB2 logger i can help.

Otherwise i suggest sticking to the plugs for now.
Old 07-01-2008, 03:58 PM
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its there.. you just cant see it... bust out a magnifine glass and start reading
Old 07-01-2008, 03:59 PM
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well actually on the second ne the porcielan looks close to how mine was btu the ark what almost a chalky white...but didn't fall off like chalk when i topunched them
Old 07-01-2008, 04:02 PM
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Originally Posted by brett5
well actually on the second ne the porcielan looks close to how mine was btu the ark what almost a chalky white...but didn't fall off like chalk when i topunched them
overheated and running rich if it was dark+chalky ark
Old 07-01-2008, 04:21 PM
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well here's a pict of mine, even though it's blury as hell and you prolly can't see anything

http://i229.photobucket.com/albums/e...n/DSC06253.jpg
Old 07-01-2008, 04:29 PM
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u might actually be too lean....

you are too hot tho, need a more angled shot

edit: omw home, hopefully someone else can give their advice

Last edited by rrutter81; 07-01-2008 at 04:29 PM. Reason: Automerged Doublepost
Old 07-01-2008, 04:32 PM
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i'll try to get a better one tonight.. I was told to go with the NGK Bkr7e 1step colder, does that soudn right?
Old 07-01-2008, 04:40 PM
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yes those are the right plugs.
from what i can see it looks like the plugs from my car when i had stage 2. hot and just a bit lean w0t.
Old 07-01-2008, 05:13 PM
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this look like the right one to you, http://cgi.ebay.com/ebaymotors/NGK-R...spagenameZWD1V

Or you know of a better place to pick them up at? Looks like autozone and advanced auto dont carry them

nevermind, i picked up these (1 step colder) http://www.zzperformance.com/cobalt_...ts1.php?id=490

Last edited by bgbearcatfan; 07-01-2008 at 05:13 PM. Reason: Automerged Doublepost


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