2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Spark Plugs???

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Old Sep 15, 2010 | 05:20 PM
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dkscbalt's Avatar
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Question Spark Plugs???

Im just wondering if I would benefit from running one step colder NGKs with my car. I have an 08 LT that is fully bolted and Trifecta Tuned.
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Old Sep 15, 2010 | 07:05 PM
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Be aware that aftermarket spark plugs in and L61 will cause the ignition control module to fail over time.
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Old Sep 19, 2010 | 03:57 PM
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No. You do not need 1-step colder plugs. My 2008 2.2L was bolted and tuned also, and stock plugs were more than fine at .034" gap.
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