Forced Induction Spark Plug Comparison?

cupcakez · 02-08-2018, 01:34 PM

So I spoke with Sebz and he recommended his spark plugs from SpecialtyZ.

I checked around and I found Z1motorsports also offers spark plugs as well.

The difference between the two?

SpecialtyZ= .6mm welded tip
http://specialtyz.com/shop/370z-g37/...ark-plugs.html

Z1Motor = .7mm welded tip
https://www.z1motorsports.com/igniti...ug-p-6053.html

Is there really a difference between the two or will both suit me just fine?

The mods in my car:

- KW V3 Suspension
- Stillen Supercharger
- Quaife LSD (1.0)
- Stage 3 Import Parts Pro Long Block (Soon to be installed 11 weeks from now)
- Custom Exhaust with Magnaflow muffler, 4" stainless steel tips

My plan is to make it 700whp++ with the supercharger and other supporting mods.

Any thoughts / ideas / comments / questions / clarifications are welcome! Thanks all :^)

Chuck33079 · 02-08-2018, 02:07 PM

My tuner always recommends OEM GTR plugs.

370Stealth · 02-08-2018, 02:13 PM

Quote:

Originally Posted by Chuck33079

My tuner always recommends OEM GTR plugs.

Same here, I'm running 573 WHP 430 FT TQ, using GTR plugs

Jayhovah · 02-08-2018, 02:20 PM

GTR Plugs for me too. I ordered them from Z1.

edit: the Z1 link you provided is indeed for the GTR plugs.

cupcakez · 02-08-2018, 03:43 PM

Thanks guys!
Sounds like I will purchase the ones from Z1 from the link I put up in the OP.

Although, it would still be interesting to find out the difference between SpecialtyZ spark plugs [vs] Z1 motorsports as the size difference is about .10mm apart, haha.
Looks like one is made in Japan the other is not, as I do not see the word "Japan" on the other one xD

370Stealth · 02-08-2018, 06:49 PM

Quote:

Originally Posted by cupcakez

Thanks guys!
Sounds like I will purchase the ones from Z1 from the link I put up in the OP.

Although, it would still be interesting to find out the difference between SpecialtyZ spark plugs [vs] Z1 motorsports as the size difference is about .10mm apart, haha.
Looks like one is made in Japan the other is not, as I do not see the word "Japan" on the other one xD

welcome, make sure you buy 6 lol

cupcakez · 02-09-2018, 12:47 AM

Quote:

Originally Posted by 370Stealth

welcome, make sure you buy 6 lol

Thanks to their core credit program, I was able to send in my OEM upper intake plenum and then once I receive $150 credit from them for their store, I will be able to purchase (x6) of them! Yay!

VSS370z · 02-12-2018, 08:30 AM

I bought a set of GTR iridium spark plugs from rockauto for like $90 a year and a half ago. Just a thought

cupcakez · 02-15-2018, 09:04 PM

https://www.redline360.com/ngk-spark...QaAp8ZEALw_wcB

Much cheaper here too. $99.95 for a set of 6.

Checked the part number.

Matches with the ones everyone gets:
DILKAR8A8

TBatt · 02-16-2018, 09:13 AM

The best price I found on them was RockAuto.com

https://www.rockauto.com/en/catalog/...park+plug,7212

overtureZ · 02-16-2018, 09:20 AM

So a tuner says user the GTR plugs, but can I get some reasons behind it? I know they are like a step colder but what does that mean for combustion? Why does it matter with FI? Im just clueless haha

Jayhovah · 02-16-2018, 09:25 AM

Quote:

Originally Posted by overtureZ

So a tuner says user the GTR plugs, but can I get some reasons behind it? I know they are like a step colder but what does that mean for combustion? Why does it matter with FI? Im just clueless haha

Understanding Spark Plug Heat Range - Engine Builder Magazine

cupcakez · 02-16-2018, 10:01 AM

Sweet. You just saved me about 30 dollars!
I cancelled my order with Redline360 and instead, purchased from RockAuto haha.
Redline be charging bank for shipping, this place only charged like 5 dollars for shipping -.-

Quote:

Originally Posted by TBatt

The best price I found on them was RockAuto.com

https://www.rockauto.com/en/catalog/...park+plug,7212

jwick · 02-22-2018, 07:42 AM

Quote:

Originally Posted by Chuck33079

My tuner always recommends OEM GTR plugs.

Same here

02-08-2018, 01:34 PM	#1 (permalink)
cupcakez Track Member Join Date: Oct 2017 Location: California Posts: 635 Drives: 2009-7AT-Base-Coup Rep Power: 4835	Forced Induction Spark Plug Comparison? So I spoke with Sebz and he recommended his spark plugs from SpecialtyZ. I checked around and I found Z1motorsports also offers spark plugs as well. The difference between the two? SpecialtyZ= .6mm welded tip http://specialtyz.com/shop/370z-g37/...ark-plugs.html Z1Motor = .7mm welded tip https://www.z1motorsports.com/igniti...ug-p-6053.html Is there really a difference between the two or will both suit me just fine? The mods in my car: - KW V3 Suspension - Stillen Supercharger - Quaife LSD (1.0) - Stage 3 Import Parts Pro Long Block (Soon to be installed 11 weeks from now) - Custom Exhaust with Magnaflow muffler, 4" stainless steel tips My plan is to make it 700whp++ with the supercharger and other supporting mods. Any thoughts / ideas / comments / questions / clarifications are welcome! Thanks all :^)

02-08-2018, 02:07 PM	#2 (permalink)
Chuck33079 A True Z Fanatic Join Date: Nov 2011 Location: Houston Posts: 12,265 Drives: 2011 370ztt Rep Power: 29538	My tuner always recommends OEM GTR plugs. jwick likes this. __________________ 2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent

02-12-2018, 08:30 AM	#8 (permalink)
VSS370z Enthusiast Member Join Date: Apr 2012 Location: Puerto Rico Posts: 380 Drives: 09 Nissan 370z CY M6 Rep Power: 13	I bought a set of GTR iridium spark plugs from rockauto for like $90 a year and a half ago. Just a thought Jayhovah likes this.

02-16-2018, 09:13 AM	#10 (permalink)
TBatt Premium Member Join Date: Apr 2013 Location: Huntsville, AL Posts: 832 Drives: 2019 GT-R Rep Power: 20168	The best price I found on them was RockAuto.com https://www.rockauto.com/en/catalog/...park+plug,7212 __________________ RJM pedal, Hotchkis Sway Bars, FI TDX, FOG Light, Z1 Slotted Drilled rotors, Stillen SC, Quaife ATB, Z1 Oil cooler, AEM Gauge Set, Galeforce gauge mount, Avant Garde M590 Hypersilver w/RE-11, TopgunZ A2A kit., ECUtek tuned by Seb: ROLL TIDE! Last edited by TBatt; 02-16-2018 at 09:16 AM.

02-16-2018, 09:20 AM	#11 (permalink)
overtureZ Enthusiast Member Join Date: Dec 2015 Location: Middle TN Age: 30 Posts: 319 Drives: Da Boosted Z Rep Power: 9	So a tuner says user the GTR plugs, but can I get some reasons behind it? I know they are like a step colder but what does that mean for combustion? Why does it matter with FI? Im just clueless haha __________________ Auto/Z Enthusiast - Mechanical Engineer - Fabricator - Do it for dale

02-08-2018, 03:43 PM	#5 (permalink)
cupcakez Track Member Join Date: Oct 2017 Location: California Posts: 635 Drives: 2009-7AT-Base-Coup Rep Power: 4835	Thanks guys! Sounds like I will purchase the ones from Z1 from the link I put up in the OP. Although, it would still be interesting to find out the difference between SpecialtyZ spark plugs [vs] Z1 motorsports as the size difference is about .10mm apart, haha. Looks like one is made in Japan the other is not, as I do not see the word "Japan" on the other one xD

02-15-2018, 09:04 PM	#9 (permalink)
cupcakez Track Member Join Date: Oct 2017 Location: California Posts: 635 Drives: 2009-7AT-Base-Coup Rep Power: 4835	https://www.redline360.com/ngk-spark...QaAp8ZEALw_wcB Much cheaper here too. $99.95 for a set of 6. Checked the part number. Matches with the ones everyone gets: DILKAR8A8

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