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2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

Do I need the spark plug grease with COP?

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Old 07-08-2008 | 07:56 PM
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celicacobalt
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Question Do I need the spark plug grease with COP?
Just wondering since I'm gonna be installing my new copper plugs if I need to grease them like I would a car that has wires or if the grease is not needed?
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Old 07-08-2008 | 07:58 PM
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Yes you still use grease. Even though the chance of moisture is less with the Ecotec design, the grease will keep the boot from mating to the plug because of heat.
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Old 07-08-2008 | 08:00 PM
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its good to use but its not required
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Old 07-08-2008 | 08:04 PM
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Is the grease you are talking about the yellow stuff on the plugs where they meet the boot? I was wondering what that stuff was when I did my plugs. Is that the dielectric compound I've heard of?
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Old 07-08-2008 | 09:33 PM
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It should definitely be dielectric grease that you use. Usually the stuff I've seen is clear.
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Old 07-09-2008 | 07:46 PM
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ok greased em up and they are in good to go. car runs alot better now. the iridiums were all black as hell and gap moved to 0.45 so that wasnt good.
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Old 07-09-2008 | 07:53 PM
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What are you running them at now? .035?
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