Thread: Spark plugs
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Old 01-10-2020, 01:22 PM   #4
canadian ss
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Drives: 2010 yellow 1ss m6 -GM tech
Join Date: Apr 2009
Location: grimsby, ont.
Posts: 487
Buy the ones tha come stock in your engine.

Pull one out and read the numbers on it.

Really no point using anything else anyway. The engine was designed to be used with a specific plug for what your set up is.

AC Delco is whats in the car now. Using another brand could give you slight issues.
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