Thread: Spark plugs.
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Old 08-31-2009, 09:04 PM   #12 (permalink)
Snakes709
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unless u are doing forced induction...leaning more towards the supercharger, there is no point. When i had my supercharged cobalt and did pulley swap and then blower swap then it was time to change to 2 step colder plugs. But right now for the 370z...it would be pointless.
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