Spark Plugs !
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Spark Plugs ! - 10/29/2007 8:01:05 PM
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2002XTREME
Posts: 812
Joined: 10/7/2007
From: Long Island
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What spark plugs has everyone used in their vortec motor? I have a 2002 4.3 xtreme blazer and want to do the plugs soon since it now has 64,000 miles... Normally in every GM i`ve owned its been nuttin but AC Delco plugs.. Any advice would be greatly appreciated...
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RE: Spark Plugs ! - 10/29/2007 8:03:13 PM
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rriddle3
Posts: 1550
Joined: 12/22/2006
From: Fort Worth,Texas
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I recommend staying with the AC/Delco Double Platinums.
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RE: Spark Plugs ! - 10/29/2007 8:35:27 PM
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95_4door
Posts: 286
Joined: 9/16/2007
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Either stick with AC Delco or go with NGK Iridiums. I have ran both. The Delcos will run about $6 a piece and the NGK will run about $7 a piece. Iriduim is a harder metal than Platinum, and will end up lasting longer. You won't feel a difference in them, but the Iridiums burn slightly hotter. They both are self cleaning, so should last between 75k and 100k miles.
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Bill
1995 Chevy Blazer
2wd 4 Door (was 4wd)
v8 Swap
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RE: Spark Plugs ! - 10/29/2007 8:48:49 PM
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swartlkk
Posts: 15292
Joined: 5/1/2005
From: Waterloo, NY
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Please be aware that an iridium center electrode with nickel ground electrode, such as the cheaper iridium plugs have, will not outlast a double platinum plug. The nickel ground electrode will erode faster than a platinum tipped ground electrode in a double platinum plug.
So my recommendations would be AC Delco Double Platinum and if you can find them, a premium Iridium plug with a platinum ground electrode.
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My Restoration Projects
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RE: Spark Plugs ! - 10/29/2007 10:27:39 PM
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blazinloud
Posts: 2467
Joined: 2/8/2006
From: Saskatoon, Canada
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check mate
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RE: Spark Plugs ! - 10/29/2007 10:38:02 PM
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95_4door
Posts: 286
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the NGK Iridiums do have a platinum ground electrode.
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Bill
1995 Chevy Blazer
2wd 4 Door (was 4wd)
v8 Swap
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RE: Spark Plugs ! - 10/30/2007 12:15:47 AM
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thegr81
Posts: 2639
Joined: 1/16/2007
From: PHOENIX,AZ
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I am runnin bosch double platinums, and they work pretty good.
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2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Spark Plugs ! - 10/30/2007 4:45:08 AM
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m00nwater
Posts: 3269
Joined: 3/10/2005
From: Redbridge, but I now live in the 'shwa
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I only used AC Delcos in mine and never had any issues. In fact, they lasted a lot longer than I expected.
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RE: Spark Plugs ! - 10/30/2007 5:02:24 AM
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swartlkk
Posts: 15292
Joined: 5/1/2005
From: Waterloo, NY
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quote:
ORIGINAL: 95_4door
the NGK Iridiums do have a platinum ground electrode.
That all depends on which NGK Iridium plugs you are talking about. The NGK Iridium IX plugs (TR55IX - $7.32 on ngk.com) do not have a platinum tipped ground. The NGK Iridium IR plugs (IZTR5B11 - $8.95 on ngk.com) do have the platinum tipped ground. I will be installing the NGK Iridium IR plugs in my Rainier when the time comes. The benefits of Iridium do not come from the material being more erosion resistant than platinum because these plugs still use a platinum tipped ground. The benefit is from the fine wire design which isn't possible with platinum center electrodes. With a fine wire center electrode, the spark is much more consistent which equals greater efficiency. Is it that much better to warrant almost double the price... Well, I can't answer that. I've never used them, yet.
quote:
ORIGINAL: thegr81
I am runnin bosch double platinums, and they work pretty good.
I learned a long time ago to never use anything bosch made on my vehicles or any of the vehicles I service for friends/family... Well, except for their wiper blades that is... If you've had good luck with them, good for you, but I have had such miserable luck with just about anything they make ignition/sensor wise that I will never recommend or use their products. I have found their quality control severely lacking.
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My Restoration Projects
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RE: Spark Plugs ! - 10/30/2007 8:24:55 AM
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blazinloud
Posts: 2467
Joined: 2/8/2006
From: Saskatoon, Canada
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my vote goes delco, expensive, but very much worth it. I payed $10 each.
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RE: Spark Plugs ! - 11/2/2007 9:50:43 AM
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bigb94s10
Posts: 26
Joined: 10/30/2007
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quote:
ORIGINAL: thegr81
I am runnin bosch double platinums, and they work pretty good.
same here. just put them on a couple days ago;
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