Iridium Spark Plugs - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 3 (permalink) Old 07-01-2009, 08:56 AM Thread Starter
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Iridium Spark Plugs

Anyone have them? I hear they don't take as much to fire them as stock. (Iridium IX LTR5IX-11) Is this the right part number for a '09 2.2l?
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post #2 of 3 (permalink) Old 07-01-2009, 05:45 PM
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I don't think it's worth the money to change them. Your stock ones are just fine.

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post #3 of 3 (permalink) Old 07-01-2009, 08:27 PM
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Quote:
Originally Posted by 07CobaltLS View Post
I don't think it's worth the money to change them. Your stock ones are just fine.
its not. i had the same ngk's and i just switched back to the stock delco's. i was getting less in fuel economy.
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