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#4667879 - 02/16/18 01:54 PM 10 year old spark plugs
barkingspider Offline


Registered: 12/22/13
Posts: 2064
Loc: socal
I had some time this morning to replace the Original ACDelco spark plugs from my 08 Colorado. These are iridium. They look good for 10 years old and the gap was still .043. I replaced because I hit 90k miles on the truck. Truck ran normal before. I install NGK platinum plugs, will probably replace again after 50k miles.



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#4667885 - 02/16/18 02:02 PM Re: 10 year old spark plugs [Re: barkingspider]
WobblyElvis Offline


Registered: 09/23/14
Posts: 1386
Loc: Toronto Canada
Why not go 100,000 or more? The originals were still in good shape after 90,000.

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#4667900 - 02/16/18 02:17 PM Re: 10 year old spark plugs [Re: barkingspider]
old1 Offline


Registered: 01/04/11
Posts: 1006
Loc: Columbus Nebraska
+1
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#4667927 - 02/16/18 02:50 PM Re: 10 year old spark plugs [Re: WobblyElvis]
barkingspider Offline


Registered: 12/22/13
Posts: 2064
Loc: socal
Originally Posted By: WobblyElvis
Why not go 100,000 or more? The originals were still in good shape after 90,000.


I already had the new spark plugs, I went through the trouble of pulling the old ones, may as well replace them. I think the original ones could have gone passed 100k no doubt.
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#4667958 - 02/16/18 03:19 PM Re: 10 year old spark plugs [Re: barkingspider]
blupupher Offline


Registered: 08/27/04
Posts: 4487
Loc: Katy, Republic of Texas
My mom's Saturn Vue with the 4 cyl had plugs that looked similar with 130,000 miles on them.
Probably would have easily lasted till 150,000, but it was cheap enough to replace them and not worry about it.
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#4667961 - 02/16/18 03:22 PM Re: 10 year old spark plugs [Re: barkingspider]
Trav Offline


Registered: 11/20/06
Posts: 19311
Loc: MA, Mittelfranken.de
You did right changing them at that mileage IMO. Sometimes preventing a P3xx is cheaper than waiting for it.
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#4667965 - 02/16/18 03:25 PM Re: 10 year old spark plugs [Re: barkingspider]
Leo99 Offline


Registered: 03/30/14
Posts: 3112
Loc: NJ
Originally Posted By: barkingspider
Originally Posted By: WobblyElvis
Why not go 100,000 or more? The originals were still in good shape after 90,000.


I already had the new spark plugs, I went through the trouble of pulling the old ones, may as well replace them. I think the original ones could have gone passed 100k no doubt.


Think he means the new spark plugs. If the originals went 90k miles, why not do the same with the replacements?
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#4668005 - 02/16/18 04:07 PM Re: 10 year old spark plugs [Re: Leo99]
AntsinmyEyes Offline


Registered: 08/09/15
Posts: 199
Loc: Colorado
Originally Posted By: Leo99
Originally Posted By: barkingspider
Originally Posted By: WobblyElvis
Why not go 100,000 or more? The originals were still in good shape after 90,000.


I already had the new spark plugs, I went through the trouble of pulling the old ones, may as well replace them. I think the original ones could have gone passed 100k no doubt.


Think he means the new spark plugs. If the originals went 90k miles, why not do the same with the replacements?


platinum spark plugs are rated for 50k miles usually.
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#4668008 - 02/16/18 04:12 PM Re: 10 year old spark plugs [Re: barkingspider]
cjcride Offline


Registered: 11/06/09
Posts: 1818
Loc: Ontario Canada
Look good.
I guess they all came out with no problem. I worry with them in so long that one could seize.

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#4668015 - 02/16/18 04:22 PM Re: 10 year old spark plugs [Re: AntsinmyEyes]
Leo99 Offline


Registered: 03/30/14
Posts: 3112
Loc: NJ
Originally Posted By: AntsinmyEyes
Originally Posted By: Leo99
Originally Posted By: barkingspider
Originally Posted By: WobblyElvis
Why not go 100,000 or more? The originals were still in good shape after 90,000.


I already had the new spark plugs, I went through the trouble of pulling the old ones, may as well replace them. I think the original ones could have gone passed 100k no doubt.


Think he means the new spark plugs. If the originals went 90k miles, why not do the same with the replacements?


platinum spark plugs are rated for 50k miles usually.


Righto. I forgot they still make them.
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Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

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#4668207 - 02/16/18 07:35 PM Re: 10 year old spark plugs [Re: AntsinmyEyes]
barkingspider Offline


Registered: 12/22/13
Posts: 2064
Loc: socal
Originally Posted By: AntsinmyEyes
Originally Posted By: Leo99
Originally Posted By: barkingspider
Originally Posted By: WobblyElvis
Why not go 100,000 or more? The originals were still in good shape after 90,000.


I already had the new spark plugs, I went through the trouble of pulling the old ones, may as well replace them. I think the original ones could have gone passed 100k no doubt.


Think he means the new spark plugs. If the originals went 90k miles, why not do the same with the replacements?


platinum spark plugs are rated for 50k miles usually.


I like to be under the hood more often than not so while Iím in there, may as well replace the regular maint items. Same w oil, I do dino or clearance oil at 5k ish OCIs instead of 10k + miles as I donít mind wrenching on my cars. Now if the plugs were difficult and time consuming to replace, then perhaps I would have gone w OEM plugs.
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#4668237 - 02/16/18 08:08 PM Re: 10 year old spark plugs [Re: barkingspider]
slacktide_bitog Offline


Registered: 03/20/08
Posts: 6371
Loc: USA
Those OE Delcos were made by NGK (same as their Laser Iridium series), and the ACDelco iridium for your truck would be the same reboxed NGK Laser Iridium as the original plugs you took out, for a lot less money than buying the NGK-branded ones.

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#4668275 - 02/16/18 08:41 PM Re: 10 year old spark plugs [Re: barkingspider]
faltic Offline


Registered: 02/15/14
Posts: 130
Loc: ga
Just sold a 03 Honda Element I ran 14 years 214K miles never looked at the plugs it ran fine.
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