Spark plug pic

NeverBoneStck · 06-11-2011, 10:59 PM

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

esfourteen · 06-11-2011, 11:41 PM

looks like you might be running a bit rich

NeverBoneStck · 06-11-2011, 11:58 PM

Quote:

Originally Posted by esfourteen

looks like you might be running a bit rich

I was thinking the same thing ...

advan37 · 06-12-2011, 12:15 AM

I change mine after 48,000 looks almost same , maybe our engin not burning the gas well.
Any ECU tuning ?

IDZRVIT · 06-12-2011, 09:30 AM

Was your car running fine prior to taking the plugs out? If yes, then clean 'em up and put 'em back in.

Boost_lee · 06-12-2011, 03:06 PM

Looks a little rich but nothing horrible

370z_2910 · 06-15-2011, 11:45 PM

can anyone tell me what will the part no. for ngk iridium for our z?

L33T Z34 · 07-25-2011, 02:00 AM

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")

370z_2910 · 08-01-2011, 12:14 AM

is our spark plug the same size as the 350z?

Chan Chee Hoe · 08-03-2011, 07:50 AM

Quote:

Originally Posted by Boost_lee

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.

06-11-2011, 11:41 PM	#2 (permalink)
esfourteen A True Z Fanatic Join Date: Mar 2010 Location: LI, NY Posts: 1,375 Drives: 40th TT Rep Power: 18	looks like you might be running a bit rich __________________ Build Thread \| GTM TT Install Thread \| Engine Build Thread

06-12-2011, 09:30 AM	#5 (permalink)
IDZRVIT A True Z Fanatic Join Date: May 2009 Location: Halifax Posts: 1,659 Drives: '13 CTS-V, '76 Vette Rep Power: 27	Was your car running fine prior to taking the plugs out? If yes, then clean 'em up and put 'em back in. __________________ "America.... still builds rockets!" Vette: 355 cid, 400 rwhp '13 CTS-V Coupe: 6.2L LSA, 556HP

06-12-2011, 03:06 PM	#6 (permalink)
Boost_lee A True Z Fanatic Join Date: Feb 2009 Location: SATX Posts: 2,813 Drives: 09 370Z TT 6MT Rep Power: 29	Looks a little rich but nothing horrible __________________ My TT Z

07-25-2011, 02:00 AM	#8 (permalink)
L33T Z34 Banned Join Date: Jun 2010 Location: Ahnald, MO Age: 47 Posts: 387 Drives: 09 K51 G C Bw/S 6MT Rep Power: 0	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 11:27 AM. Reason: corrected and added info

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06-12-2011, 12:15 AM	#4 (permalink)
advan37 Base Member Join Date: May 2011 Location: UAE Posts: 63 Drives: 08 G37 Rep Power: 14	I change mine after 48,000 looks almost same , maybe our engin not burning the gas well. Any ECU tuning ?

06-15-2011, 11:45 PM	#7 (permalink)
370z_2910 Base Member Join Date: Sep 2009 Location: BRUNEI Posts: 127 Drives: 370Z Rep Power: 16	can anyone tell me what will the part no. for ngk iridium for our z?

08-01-2011, 12:14 AM	#9 (permalink)
370z_2910 Base Member Join Date: Sep 2009 Location: BRUNEI Posts: 127 Drives: 370Z Rep Power: 16	is our spark plug the same size as the 350z?