Thread: Spark plugs
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Old 05-14-2019, 11:11 AM   #22
Evil-Bee-NH
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Drives: 2017 NGM I4 1LT Coupe
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Quote:
Originally Posted by zts1986 View Post
After increasing boost via other modifications, I was getting some blow-out of the plugs. Going one step colder and closing the gap solved that issue and the car runs great.

NGK 6510s gapped at 0.022." The stock plugs were gapped between 0.032" and 0.034."
So what other modifications increased boost to cause blowout?
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