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Copper spark plug question #4473468
07/28/17 10:07 PM
07/28/17 10:07 PM
Joined: Aug 2015
Posts: 434
Caribbean
Nissan101 Offline OP
Nissan101  Offline OP

Joined: Aug 2015
Posts: 434
Caribbean
How often should i replace NGK copper spark plugs?
Thank you :-)

Last edited by Nissan101; 07/28/17 10:12 PM.

Nissan N16 -10w30
Nissan S13 -20w50

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Re: Copper spark plug questions [Re: Nissan101] #4473472
07/28/17 10:10 PM
07/28/17 10:10 PM
Joined: Jun 2009
Posts: 3,827
Chicago, IL
tomcat27 Offline
tomcat27  Offline

Joined: Jun 2009
Posts: 3,827
Chicago, IL
I believe that most applications with copper plugs call for replacement at 30k


2019 Cherokee, 2018 Jetta, 2014 Sentra, 1995 Escort, 1970 Cougar, 2013 XT250, 2010 Vstar, 2014 CTX1300
Re: Copper spark plug questions [Re: Nissan101] #4473474
07/28/17 10:12 PM
07/28/17 10:12 PM
Joined: Dec 2016
Posts: 8,039
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,039
Waco, TX
I have found the energy of the ignition system plays a bigger role than mileage. I have had some go 50,000 miles.

An MSD ignition system will wear them out faster... but because of the high amperage (which causes the wear in the first place) they'll keep firing well long after the gap has exceeded .080"


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Re: Copper spark plug questions [Re: Nissan101] #4473477
07/28/17 10:16 PM
07/28/17 10:16 PM
Joined: Jun 2009
Posts: 3,827
Chicago, IL
tomcat27 Offline
tomcat27  Offline

Joined: Jun 2009
Posts: 3,827
Chicago, IL
true - I've run copper plugs up to 45k with no problems; but generally the mfr specs 30k. I'm thinking that with the MSD the issue is not only higher voltage but also the fact that the MSD ignition fires multiple times per event; at least below 3000 rpm or something like that.

Last edited by tomcat27; 07/28/17 10:16 PM.

2019 Cherokee, 2018 Jetta, 2014 Sentra, 1995 Escort, 1970 Cougar, 2013 XT250, 2010 Vstar, 2014 CTX1300
Re: Copper spark plug questions [Re: Nissan101] #4473482
07/28/17 10:23 PM
07/28/17 10:23 PM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline

Joined: Jul 2017
Posts: 542
Texas (south)
Check em first, assess their wear, make decision


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: Copper spark plug questions [Re: Nissan101] #4473493
07/28/17 10:38 PM
07/28/17 10:38 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline

Joined: Jan 2017
Posts: 1,139
USA
Why run them a long time?

They are $5/each.

Vehicles run better with new plugs.

Good choice running NGK.


Multiple Diesel and Gasoline vehicles
Re: Copper spark plug questions [Re: Nissan101] #4473508
07/28/17 11:05 PM
07/28/17 11:05 PM
Joined: Mar 2016
Posts: 1,952
Western S.C.
CR94 Online content
CR94  Online Content

Joined: Mar 2016
Posts: 1,952
Western S.C.
I may not have run the NGK plugs (original and 1st replacement set) much beyond the recommended 30K in my Mazda, but later I ran equivalent Champion copper ones well over 100K with no problems, meaning no detectable improvement in power or fuel economy when I finally replaced them. I did clean and regap them a couple of times. I suspect the NGKs could've done the same, if I'd given them a chance.


2011 Toyota Prius now at 97K
1981 Mazda GLC (323) retired at 606K
1972 Subaru DL retired at 190K
1954 Chevrolet retired at 121K
Re: Copper spark plug questions [Re: ArcticDriver] #4473509
07/28/17 11:06 PM
07/28/17 11:06 PM
Joined: Aug 2003
Posts: 13,442
NE,Ohio
Rand Offline
Rand  Offline

Joined: Aug 2003
Posts: 13,442
NE,Ohio
Originally Posted By: ArcticDriver
Why run them a long time?
They are $5/each.


5 dollars each for copper plugs?
where are you getting ripped off at?


2019 Jeep Cherokee Trailhawk 2.0T
Re: Copper spark plug question [Re: Nissan101] #4473535
07/28/17 11:40 PM
07/28/17 11:40 PM
Joined: Oct 2011
Posts: 1,532
CA
user52165 Offline
user52165  Offline

Joined: Oct 2011
Posts: 1,532
CA
Why copper? Platinum or iridium are usually best.

What application and what is OEM?

Last edited by user52165; 07/28/17 11:41 PM.
Re: Copper spark plug question [Re: Nissan101] #4473562
07/29/17 12:27 AM
07/29/17 12:27 AM
Joined: Jun 2012
Posts: 1,831
USA
oldhp Offline
oldhp  Offline

Joined: Jun 2012
Posts: 1,831
USA
What is a copper spark plug? Do you mean copper core? Almost all plugs have a copper core to aid in heat removal.


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Copper spark plug questions [Re: Rand] #4473570
07/29/17 12:51 AM
07/29/17 12:51 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline

Joined: Jan 2017
Posts: 1,139
USA
Originally Posted By: Rand
Originally Posted By: ArcticDriver
Why run them a long time?
They are $5/each.


5 dollars each for copper plugs?
where are you getting ripped off at?


laugh

Exactly !


Multiple Diesel and Gasoline vehicles
Re: Copper spark plug question [Re: Nissan101] #4473583
07/29/17 01:55 AM
07/29/17 01:55 AM
Joined: Aug 2015
Posts: 434
Caribbean
Nissan101 Offline OP
Nissan101  Offline OP

Joined: Aug 2015
Posts: 434
Caribbean
Its normal v power spark plugs.


Nissan N16 -10w30
Nissan S13 -20w50

Royal Purple HPS smile
Re: Copper spark plug question [Re: user52165] #4473584
07/29/17 01:56 AM
07/29/17 01:56 AM
Joined: Aug 2015
Posts: 434
Caribbean
Nissan101 Offline OP
Nissan101  Offline OP

Joined: Aug 2015
Posts: 434
Caribbean
OEM is copper.


Nissan N16 -10w30
Nissan S13 -20w50

Royal Purple HPS smile
Re: Copper spark plug questions [Re: ArcticDriver] #4473598
07/29/17 03:01 AM
07/29/17 03:01 AM
Joined: Feb 2015
Posts: 2,599
Slovenia EU
Kamele0N Offline
Kamele0N  Offline

Joined: Feb 2015
Posts: 2,599
Slovenia EU
Originally Posted By: ArcticDriver
Originally Posted By: Rand
Originally Posted By: ArcticDriver
Why run them a long time?
They are $5/each.


5 dollars each for copper plugs?
where are you getting ripped off at?


laugh

Exactly !


Still cheaper then ignition coil...wich can fail prematurely if it has to cope with worn out plugs for too long...


2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Copper spark plug questions [Re: Nissan101] #4473631
07/29/17 05:51 AM
07/29/17 05:51 AM
Joined: Oct 2008
Posts: 19,338
Sunny Florida
SteveSRT8 Offline
SteveSRT8  Offline

Joined: Oct 2008
Posts: 19,338
Sunny Florida
Chrysler sold millions of new gen 5.7 Hemis with cheap conventional plugs and a 30k replacement schedule.

Yet the 6.1 liter SRT engine shipped with top of the line NGK Iridiums despite having the exact same ignition setup. recommended interval? 105k miles. Newer model 5.7s like our 14 RAM have iridiums now.

Just changed the plugs out in a service van here, GM 6.0 engine. Almost no wear despite 113k miles and over 2500 hours of stationary operations.

We have run them over 200k miles before with only one coil replaced ever, so I guess the coils are not guaranteed to fail...


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