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Spark Plug Recommendation

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Old Mar 30, 2008 | 12:41 PM
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Default Spark Plug Recommendation

Thinking about changing Spark Plaugs and wires on a daily driver 02 C-5 with 66K on it, any recommendations? Was looking in Forum Store and see some Champion Performance Iridim for 119.95. Is this over kill? How hard to change plugs and wires and which wire set for best performance?
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Old Mar 30, 2008 | 01:07 PM
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12495519 – GMPP red spark plug wire set – 55.20
12571164 – GM AC Delco Iridium spark plugs – 6.00 each

Get 'em from Gene @ http://www.gmpartshouse.com/c5partslist.html
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Old Mar 30, 2008 | 05:40 PM
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How often do you plan on changing plugs? I don't mind changing them every 20-30k so I went with NGK TR55 coppers at $16/set. If you want to go more like 50-60k between changes, go for the Iridiums.
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Old Mar 30, 2008 | 08:07 PM
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I replaced mine at about 85,000 miles, I used Bosch Platinum +4. That was before the Iridiums came out. Now, I would probably go with Iridiums.
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Old Mar 30, 2008 | 08:14 PM
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Default spark plugs

thanks for the update - will go with the Champion's - how hard were they to change?
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Old Mar 30, 2008 | 08:45 PM
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"How hard were they?"

http://forums.corvetteforum.com/show...hlight=tmqdoc1
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Old Mar 30, 2008 | 09:25 PM
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Originally Posted by MattZ28
How often do you plan on changing plugs? I don't mind changing them every 20-30k so I went with NGK TR55 coppers at $16/set. If you want to go more like 50-60k between changes, go for the Iridiums.
That is what I do. With a set of headers on the car the plugs are really easy to change.
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Old Mar 31, 2008 | 12:16 AM
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NGK TR55s for me.....TR6s if I decide to put the spray on
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Default spark plugs

Originally Posted by MattZ28
How often do you plan on changing plugs? I don't mind changing them every 20-30k so I went with NGK TR55 coppers at $16/set. If you want to go more like 50-60k between changes, go for the Iridiums.
Originally Posted by slow98cobra
NGK TR55s for me.....TR6s if I decide to put the spray on
Besides, it gives me a reason to go work on my corvette.
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