Spark plugs
Noticed that cylinder one has some oil in the wells of the spark plugs. How much performance does this typically rob for performance. Also side note how often do you guys changed your plugs and do you 1 step colder plugs need a retune??
My car was idling rough and popping misfires so I would asssume the plugs
Last edited by Siqcology; 05-27-2020 at 03:14 AM.
Reason: Wrong title
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