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  1. J

    The Piggyback Chip feedback, reviews, issues, diagnostic and questions thread

    If anyone is having misfires or hesitations with the JB4 chip, the recommendation is close the gap on the spark plugs to around .25
  2. J

    Kia Stinger Burger Motorsports JB4 Discussion Thread

    Hi everyone, I've been emailing Terry and he suggested that if you are experiencing any misfires or hesitations is to close the gap on the spark plugs to around .25


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