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Originally Posted by TrAb
Here is my most recent map that armon did. I am still getting knock and up top the power really lets off, i believe when it hits the mark were he set it to pull 15*. If yall could take a look at it and tell me what u think id really appreciate it.
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Having both 9:1 compression ratio and large 720cc injectors I can see why you need to subtract some timing but it does seem pretty excessive. You said you're still getting some knock readings -- I wonder if it is real knock and not phantom knock? I know someone who was getting false positive knock readings from a loose metal clip banging against his engine block -- removed the clip and his false knock readings went away too.
Also another thought comes to mind, instead of subtacting 15 degrees of timing, is there any difference to the knock reading if you just subtract just 8 degrees? Cuz if there's no difference, then you're subtracting too much timing and need to figure out why there's a knock reading.