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Spark plug pic

So I just changed my plugs after 32,000 and this is what all six look like .. Any suggestions ??? Thanx

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Old 06-11-2011, 09:59 PM   #1 (permalink)
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Default Spark plug pic

So I just changed my plugs after 32,000 and this is what all six look like .. Any suggestions ??? Thanx
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Old 06-11-2011, 10:41 PM   #2 (permalink)
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looks like you might be running a bit rich
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Old 06-11-2011, 10:58 PM   #3 (permalink)
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Quote:
Originally Posted by esfourteen View Post
looks like you might be running a bit rich
I was thinking the same thing ...
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Old 06-11-2011, 11:15 PM   #4 (permalink)
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I change mine after 48,000 looks almost same , maybe our engin not burning the gas well.
Any ECU tuning ?
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Old 06-12-2011, 08:30 AM   #5 (permalink)
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Was your car running fine prior to taking the plugs out? If yes, then clean 'em up and put 'em back in.
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Old 06-12-2011, 02:06 PM   #6 (permalink)
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Looks a little rich but nothing horrible
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Old 06-15-2011, 10:45 PM   #7 (permalink)
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can anyone tell me what will the part no. for ngk iridium for our z?
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Old 07-25-2011, 01:00 AM   #8 (permalink)
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Lightbulb Spark Plug choices

The number in parenthesis is the part number @ sparkplugs.com

Stock heat range of 24/8 (maybe to cold?)

Iridium
Denso FXE24HR11 (3457) gapped @ 0.043"
NGK DILKAR8A8 (93026) gapped @ 0.032"
(double electrode like the Densos; you'll have to carefully gap these to 0.043")

Copper
NGK LKAR8A-9 (4786) (gap these to 0.043")

---------------------------------------------------------------

One step warmer 22/7

Iridium
Denso FXE22HR11 (3442) gapped @ 0.043"
NGK DILKAR7B11 (1406) gapped @ 0.043" (double electrode like the Densos)
NGK ILZKAR7B11 (1654) gapped @ 0.043"

Copper
NGK LZKAR7A (6799) (gap these to 0.043")

Last edited by L33T Z34; 08-12-2011 at 10:27 AM. Reason: corrected and added info
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Old 07-31-2011, 11:14 PM   #9 (permalink)
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is our spark plug the same size as the 350z?
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Old 08-03-2011, 06:50 AM   #10 (permalink)
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Quote:
Originally Posted by Boost_lee View Post
Looks a little rich but nothing horrible
Actually i did mentioned our cars runs very rich,it runs at 10.5:1,after doing the uprev,i lowered it to 12.5:1.
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