Thread: NGK Spark Plugs..
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Old 04-06-2010, 10:32 PM
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SS427 SS427 is offline
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Default Re: NGK Spark Plugs..
All the finish dyno pulls we have made on the LS6 motors were using NGK and there was a noticable improvement over the stock plugs. Once the dyno pulls are made I reinstall the AC plugs for correctness.
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