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Knock on the Cobb ap

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Old Oct 26, 2012, 02:51 PM
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Knock on the Cobb ap

Is this considered an ok amount of knock for the Cobb ap?
Attached Thumbnails Knock on the Cobb ap-image.jpg  
Old Oct 26, 2012, 02:53 PM
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Damn.. I've never seen that much. Did you just get gas? I wouldn't drive in to boost anymore. 18 is high.. Very high.. Like new engine high.
Old Oct 26, 2012, 03:19 PM
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Really? I just unplugged the batt for a whole while I was working on it. And this was the result
Old Oct 26, 2012, 03:55 PM
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Hmm.. Maybe it just needs to relearn. Let it idle for a while. There is also an option for learned knock. Maybe that got wiped out and it needs to relearn the info.
Old Oct 26, 2012, 08:51 PM
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was this at WOT? when did you see the 18 count?
Old Oct 26, 2012, 10:55 PM
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This was off boost. I undid the battery did my work on it started it back up and went lot run errands. Later it didn't go past 13, with the Cobb is this actually 18 counts of knock or is it like one count for every 7 or something?
Old Oct 26, 2012, 11:16 PM
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Off boost and lower revs probably means phantom knock.
Old Oct 27, 2012, 01:55 AM
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That's a lot of phantom knock. Hopefully it is phantom knock coz that's a lot. And no, 18 means its the highest number at one given time.
Old Oct 28, 2012, 03:44 PM
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I run on stock intake map two but with the snorkel off my intake could this be causing it?
Old Oct 28, 2012, 08:07 PM
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Most I would get was 3 on a stage 1 91
Old Oct 29, 2012, 03:40 AM
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Hmm, I have to figure this out. Any suggestions?
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