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Power FC PFC Knock Readings (Bar Mode Display)

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Old Jan 4, 2010 | 01:26 PM
  #1  
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PFC Knock Readings (Bar Mode Display)

Anyone aware of the approximate scaling for readings associated with the PFC Knock scale when in bar mode? In other words, is 1/4 bar displayed equivalent to 60? Half scale 120? Just curious. If this has been discussed in the past, please excuse my post and redirect me!

Thanks in advance!
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Old Jan 4, 2010 | 01:43 PM
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I could try to feed the commander fake values to see how much, but I'm guessing a full bar is going to be around 250.
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Old Jan 4, 2010 | 03:22 PM
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I have to retract my guess. I reviewed my code and found that knock can be higher than 250. So, this will require some testing.
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Old Jan 4, 2010 | 08:00 PM
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Thanks for looking into this. I've just never seen the topic discussed and have always been curious. Appreciate the effort!
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Old Jan 5, 2010 | 08:47 AM
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My bar max out at 100 in knock.
Have set the Knock warning to 150.
Dont really use the knock on my commander.
My car got from 70-150 in knock cruzing. :p

Under full boost it is max 10.
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Old Jan 6, 2010 | 12:52 AM
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ok so i am new to power fc. so the readings come straight from the stock knock sensor right. now it a idle you will sense engine vibration especially with aftermarket motor mounts, so when under full boost what would a true knock reading look like with a slight ping?
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