Iridium Spark Plugs?
06-03-2015, 10:53 AM
#1
Junior Member
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Join Date: Oct 2009
Posts: 47
Iridium Spark Plugs?
Hello
I am running NGK-R spark plugs in my 1993 Maxima. Is there any advantage or disadvantage to dropping in Iridium plugs? Are Iridium plugs, a resistor plug? What do you all think of Denso plugs?
Thanks
Russ
I am running NGK-R spark plugs in my 1993 Maxima. Is there any advantage or disadvantage to dropping in Iridium plugs? Are Iridium plugs, a resistor plug? What do you all think of Denso plugs?
Thanks
Russ
Last edited by Kiron Kid; 06-03-2015 at 11:55 AM.
06-04-2015, 07:24 AM
#3
He has a VE
The VE is very picky about plugs and really doesn't like non-OEM spec plugs. Although several members here over the years use NGK copper plugs without issue. They're cheaper, but of course then you just have to replace those more often.
The VE is very picky about plugs and really doesn't like non-OEM spec plugs. Although several members here over the years use NGK copper plugs without issue. They're cheaper, but of course then you just have to replace those more often.
06-04-2015, 10:38 AM
#4
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Join Date: Oct 2009
Posts: 47
VE - DOHC. I called a local Nissan shop, and they suggested going with NGK PFR5C 11 plugs, which is what is in it now. They are platinum plugs. I should probably stick with them. I don't mind changing plugs once in awhile. What do you think? NGK also makes an equivalent in Iridium.
Thanks
Russ
Last edited by Kiron Kid; 06-04-2015 at 11:30 AM.
06-04-2015, 12:09 PM
#5
VE - DOHC. I called a local Nissan shop, and they suggested going with NGK PFR5C 11 plugs, which is what is in it now. They are platinum plugs. I should probably stick with them. I don't mind changing plugs once in awhile. What do you think? NGK also makes an equivalent in Iridium.
Thanks
Russ
Thanks
Russ
I want to say the factory platinum plugs have something like an 80k mile service life. Are you due for new plugs? You can still get the PFR5C11's on eBay
06-04-2015, 12:39 PM
#6
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Thread Starter
Join Date: Oct 2009
Posts: 47
If you already have the PFR5C11 (which I'm pretty sure are the exact factory plugs), why are you looking to change them? I'd say leave them be.
I want to say the factory platinum plugs have something like an 80k mile service life. Are you due for new plugs? You can still get the PFR5C11's on eBay
I want to say the factory platinum plugs have something like an 80k mile service life. Are you due for new plugs? You can still get the PFR5C11's on eBay
I don't know how long these plugs have been in the car, previous to me acquiring it. I just figured it cant hurt to slap some new ones in.
Thanks
Russ
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