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Copper vs. Iridium spark plugs 700 1986

posted by OldBlueVolvo on Sat May 27 08:59 CST 2006
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last visit: Sun Feb 27 18:34 CST 2011

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I used to use Champion copper core spark plugs but decided to use Bosch super 4 plugs last year (these have the 4 electrodes). I found no difference in performance or fuel consumption though. I've recently read that the multi-electrode plugs are worse on performance. So, I'm going to try NGK plugs this year. Has anyone tried using NGK's iridium plugs? I would be interested to know whether the iridium plugs really are noticeably better than the traditional copper core plugs. Would the OEM Volvo plugs be best for a 740?

Cheers
Will

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Copper vs. Iridium spark plugs [700][1986]
posted by OldBlueVolvo on Sat May 27 08:59 CST 2006 >

Copper vs. Iridium spark plugs [700][1986]
posted by Blue Horse on Sat May 27 13:13 CST 2006 > V
- Copper vs. Iridium spark plugs [700][1986]
  posted by Blue Horse on Sat May 27 13:23 CST 2006 > V
  - Copper vs. Iridium spark plugs [700][1986]
    posted by mapleleafer on Sat May 27 15:30 CST 2006 > V
    - Copper vs. Iridium spark plugs [700][1986]
      posted by someone claiming to be volbro245 on Fri Jun 2 08:40 CST 2006 > V
      - Copper vs. Iridium spark plugs [700][1986]
        posted by mapleleafer on Fri Jun 2 08:59 CST 2006 > V
        
        Copper vs. Iridium spark plugs [700][1986]
        posted by Blue Horse on Sat Jun 3 10:57 CST 2006 > V
  - Copper vs. Iridium spark plugs [700][1986]
    posted by Barongrey subscriber on Fri Jun 2 12:57 CST 2006 > V

Copper vs. Iridium spark plugs [700][1986]
posted by mcduck subscriber on Sat May 27 14:55 CST 2006 > V

Copper vs. Iridium spark plugs [700][1986]
posted by N7SC on Sat May 27 15:05 CST 2006 > V
- Copper vs. Iridium spark plugs [700][1986]
  posted by mapleleafer on Sat May 27 15:34 CST 2006 > V

Copper vs. Iridium spark plugs [700][1986]
posted by Volvodad subscriber on Sun May 28 05:07 CST 2006 > V
- Copper vs. Iridium spark plugs [700][1986]
  posted by Steve subscriber on Sun May 28 05:19 CST 2006 > V

Copper vs. Iridium spark plugs [700][1986]
posted by jthorner on Sun May 28 09:58 CST 2006 > V
- Copper vs. Iridium spark plugs [700][1986]
  posted by krepotkin on Wed May 31 11:58 CST 2006 > V

Copper vs. Iridium spark plugs [700][1986]
posted by rhodee on Sat Jun 10 18:01 CST 2006 > V

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Copper vs. Iridium spark plugs 700 1986