Spark plug indexing

lj909 · 10-04-2016, 11:46 PM

Anyone ever go through the time and trouble to index thier spark plugs?

Optimiser · 10-05-2016, 12:52 AM

No never.

Ct Chip · 10-05-2016, 07:16 PM

Did it on my Porsche Turbo & religiously on all my motorcycles.

SouthArk370Z · 10-05-2016, 08:58 PM

I can't imagine it being worth the effort on a DD vehicle but wouldn't mind seeing some dyno test results. If one were going FI (or other big engine mods), might be worth doing since you have everything torn apart anyway. YMMV

jchammond · 10-05-2016, 09:13 PM

Didn't ck. mine on the install....gonna pull them out this fall & try some NGK Laser's....4valves per cylinder,,,guessing to just split the exhaust valves?

Rusty · 10-07-2016, 11:15 PM

I did it on my Z. It's a PITA, and noticed no difference.

lj909 · 10-08-2016, 12:24 AM

Quote:

Originally Posted by Rusty

I did it on my Z. It's a PITA, and noticed no difference.

Did you have a hard time finding the washers?

Rusty · 10-08-2016, 12:40 AM

Quote:

Originally Posted by lj909

Did you have a hard time finding the washers?

spark plug index | JEGS High Performance

lj909 · 10-08-2016, 12:58 AM

I saw those but i thought our plugs have a 12mm thread? I know the nut is 14mm.

Rusty · 10-08-2016, 01:18 AM

Quote:

Originally Posted by lj909

I saw those but i thought our plugs have a 12mm thread? I know the nut is 14mm.

Spark Plug Index Washers

https://thunderproducts.com/shop/spa...exing-washers/

10-04-2016, 11:46 PM	#1 (permalink)
lj909 Track Member Join Date: May 2014 Location: Riverside Posts: 584 Drives: 40th 370Z Rep Power: 12	Spark plug indexing Anyone ever go through the time and trouble to index thier spark plugs? __________________ PW 07 HR350Z R.I.P. Totaled by 82yr old woman 2010 40th Anniversary 370Z

10-05-2016, 08:58 PM	#4 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	I can't imagine it being worth the effort on a DD vehicle but wouldn't mind seeing some dyno test results. If one were going FI (or other big engine mods), might be worth doing since you have everything torn apart anyway. YMMV __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

10-05-2016, 09:13 PM	#5 (permalink)
jchammond A True Z Fanatic Join Date: Nov 2014 Location: South Carolina Age: 58 Posts: 15,204 Drives: 13’ 370Z TS 7A/T Rep Power: 2684395	Didn't ck. mine on the install....gonna pull them out this fall & try some NGK Laser's....4valves per cylinder,,,guessing to just split the exhaust valves? __________________ MazWorx built long block \| FI-TT-100 Stage 2.75 \| IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html

10-07-2016, 11:15 PM	#6 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,219 Drives: 2011 Nismo GM 6M Rep Power: 2684438	I did it on my Z. It's a PITA, and noticed no difference. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

10-08-2016, 12:58 AM	#9 (permalink)
lj909 Track Member Join Date: May 2014 Location: Riverside Posts: 584 Drives: 40th 370Z Rep Power: 12	I saw those but i thought our plugs have a 12mm thread? I know the nut is 14mm. __________________ PW 07 HR350Z R.I.P. Totaled by 82yr old woman 2010 40th Anniversary 370Z

10-05-2016, 12:52 AM	#2 (permalink)
Optimiser Enthusiast Member Join Date: Mar 2013 Location: Australia Posts: 455 Drives: 2012 Nissan 370Z MT Rep Power: 20144	No never.

10-05-2016, 07:16 PM	#3 (permalink)
Ct Chip Base Member Join Date: Jan 2009 Location: CT Posts: 18 Drives: 2009 370Z silver Rep Power: 16	Did it on my Porsche Turbo & religiously on all my motorcycles.

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