holy spark plugs batman!

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Mar 17, 2011 | 06:39 PM

f3racer

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From: lebanon, mo

holy spark plugs batman!

i pulled a plug just to take a look and this is what i see. this does not look normal to me. good grief

Mar 17, 2011 | 07:32 PM

impala06ss

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From: Georgia

Looks normal to me other than the residue on the plug, have they been in long? Just looks like they have a lot of miles on them. Mine are probably worse, they are still factory with 114k

Mar 17, 2011 | 07:44 PM

f3racer

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From: lebanon, mo

88k miles and dont look normal at all to me.

Mar 17, 2011 | 08:21 PM

72gp

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From: Cleveland

Looks fine to me...

http://www.verrill.com/moto/sellingg...colorchart.htm

Mar 17, 2011 | 08:31 PM

TheBlackPlague

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looks fine other then the 2 inch gap !!!!!! lol

Mar 17, 2011 | 09:19 PM

impala06ss

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From: Georgia

is it an iridium plug? Iridium plugs are shaped different. Did I spell that right?? What do you see that doesn't look right to you?

Looks like a clean burn.

Mar 17, 2011 | 10:18 PM

DavidGXP

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From: Renton, WA

Little carbon build up and a little lean.

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Mar 18, 2011 | 12:27 PM

1BAD06MCSS

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From: Kansas City MO

Quote:

Originally Posted by DavidGXP

Put in some NGK tr55's

I used the tr5ix's and it was a noticeable difference. Took me about 3 hours (mostly the rears) to do. Defiantly worth the money. My car has 92k on it and when I pulled them they sorta looked like that (not nearly as bad).

Last edited by 1BAD06MCSS; Mar 19, 2011 at 11:24 AM. Reason: My bad, I looked at the box wrong they are tr5ix

Mar 18, 2011 | 01:35 PM

#10

SidewaysV8

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From: St. Louis, MO

NGK's website shows these plugs for the GXP

2008 PONTIAC GRAND PRIX GXP 5.3 V8 C FI

Spark Plug Part No. Stock No. Plug Gap Photo
V-Power TR5 2238 .040
G-Power TR5GP 3186 .040
Laser Platinum PTR5D-10 * 3784 .040
OE Laser Iridium IZTR5B11 ^ 1465 .040
Iridium IX TR5IX 7397 .040
* “Laser Series” Platinum center electrode, and Platinum pad ground electrode

I don't see TR55 listed at all.

Mar 18, 2011 | 01:53 PM

#11

06MonteSS

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get the iridiums... TR5IX for stock heat range... or if you're gonna get a tune at all, go with the TR6IX ones.. they're one heat range cooler...

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Mar 18, 2011 | 02:05 PM

#12

SidewaysV8

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From: St. Louis, MO

Quote:

Originally Posted by 06MonteSS

get the iridiums... TR5IX for stock heat range... or if you're gonna get a tune at all, go with the TR6IX ones.. they're one heat range cooler...

$6.25 each is the cheapest I've found on the TR5IX...........do you have a cheaper source?

Mar 18, 2011 | 02:47 PM

#13

cacicgtp7

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From: Randolph AFB, TX (San Antonio)

Quote:

Originally Posted by SidewaysV8

$6.25 each is the cheapest I've found on the TR5IX...........do you have a cheaper source?

Iridiums last from 75K - 100K miles, that's why they are so expensive. Copper plugs last about 15-25K (some more some much less) which is why they are dirt cheap.

Mar 18, 2011 | 03:45 PM

#14

DavidGXP

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Quote:

Originally Posted by 1BAD06MCSS

I did this and it is a noticeable difference. Took me about 3 hours (mostly the rears) to do.

3 hours.... LMAO

Mar 18, 2011 | 04:31 PM

#15

06MonteSS

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From: CT

Quote:

Originally Posted by SidewaysV8

$6.25 each is the cheapest I've found on the TR5IX...........do you have a cheaper source?

got mine from amazon.com.. the TR6IX... $60 for all 8....

normally are $8 - $9 each at other places I've checked...

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Mar 18, 2011 | 10:59 PM

#16

BlauGXP

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From: Carol Stream, IL

NGK TR6IX, $6.66 each on Rockauto.com. My favorite place to buy parts

Mar 19, 2011 | 11:21 AM

#17

1BAD06MCSS

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From: Kansas City MO

Quote:

Originally Posted by DavidGXP

3 hours.... LMAO

Why LMAO? Those back plugs were a bitch to change. Little room and you have to have the right socket wrench and extension (which I did not have) to get back there. I scraped my knuckles pretty bad on the back exhaust manifold.