Mark, you're obviously not understanding what I'm saying.Originally Posted by EagleMark
My timing tables are extremely conservative, compared to what other people are running in similar combinations. I'm 8 to 10 degrees less than what they are running in the top end. So much so that my AFRs go real rich. Last night I started adding timing and my AFRs started dropping at those same points. It's not a spark plug issue, it's a spark timing issue.
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