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Old Sep 12, 2013, 07:13 AM
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knock sensitivity settings

Hi guys, What are the correct settings for the knock sensitivity, I just want to make sure mine is setup correctly. Thx in advance

Forgot to mention: Evo 9, tephra with sd 88591715 rom sorry ab that
Old Sep 12, 2013, 07:29 AM
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Originally Posted by SS1000RR
Hi guys, What are the correct settings for the knock sensitivity, I just want to make sure mine is setup correctly. Thx in advance

Forgot to mention: Evo 9, tephra with sd 88591715 rom sorry ab that
OEM? Check the base tephra map for original settings. For most of us with built noisy motors you shouldn't have to add more than 20% to the multipliers. Some people ignore everything under 100 load as well but personally I do not think that is the best idea. You really need to know if it is actually knocking or if you have other driveline noise for the "correct setting".

Last edited by wingless; Sep 12, 2013 at 07:32 AM.
Old Sep 12, 2013, 07:37 AM
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My block is stock, s2 cams , 3" exhaust and stock turbo, wondering What it should be set as... I will post up the current settings when I get to my laptop.
Old Sep 12, 2013, 11:13 AM
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Originally Posted by SS1000RR
My block is stock, s2 cams , 3" exhaust and stock turbo, wondering What it should be set as... I will post up the current settings when I get to my laptop.
There is no "correct" setting that works for everyone. If is knocking and pulling so much timing you can't tune it, you need to figure out if it is real knock or noise created by aftermarket parts. If it is, you can turn down the knock sensitivity accordingly. If it is knock and you turn down sensitivity you will blow it up.

Is it knocking? What are you running for boost? Is it pulling timing? AFR? I would go with OEM settings with your mods. If it's knocking I would look at your AFR, boost and timing.
Old Sep 12, 2013, 11:14 AM
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here are current settings...

knock sensitivity load threshold
500 1000 1500 2000 2500 3000 3500 4000 4500 5000
159.375 159.375 159.375 159.375 130 139.375 139.375 139.375 139.375 139.375

noise adder
1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 70007500
15 15 15 16 17 22 22 22 22 22 22 22 22 22

noise adder triple gain
1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500
7 7 7 7 9 9 9 10 12 18 18 18 18 18

noise adder single gain
1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500
2 2 2 2 3 3 3 3 4 6 6 6 6 6

sorry for the mess, not sure how i can upload screen shots.
can someone help me out on this? do these look right or should something be changed.
thanks
Old Sep 12, 2013, 11:33 AM
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These are the stock settings. If a tune is not getting anywhere due to knock I'll have the customer verify phantom knock with a det can or stethoscope (depending) and adjust for a noisy motor if needed.

If you're on the stock block I'd highly suggest leaving it at stock settings and listen to your motor. Call me or pm me if you have any concerns. I'll try to watch this thread if you have any other questions.


Last edited by PureDrivePerformance; Sep 12, 2013 at 11:35 AM.
Old Sep 12, 2013, 11:34 AM
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Originally Posted by SS1000RR
here are current settings...

knock sensitivity load threshold
500 1000 1500 2000 2500 3000 3500 4000 4500 5000
159.375 159.375 159.375 159.375 130 139.375 139.375 139.375 139.375 139.375

sorry for the mess, not sure how i can upload screen shots.
can someone help me out on this? do these look right or should something be changed.
thanks
they are 50 to 60 above stock 2500 up never came across one that could be that noisey
Old Sep 12, 2013, 12:48 PM
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Originally Posted by wingless
OEM? Check the base tephra map for original settings. For most of us with built noisy motors you shouldn't have to add more than 20% to the multipliers. Some people ignore everything under 100 load as well but personally I do not think that is the best idea. You really need to know if it is actually knocking or if you have other driveline noise for the "correct setting".
You could be near knock in vacuum for 100's of thousands of miles on a 8.8:1 motor and never hurt anything.

Originally Posted by SS1000RR
My block is stock, s2 cams , 3" exhaust and stock turbo, wondering What it should be set as... I will post up the current settings when I get to my laptop.
Really only need to change the dip where it goes 19-19-18-19-20
Old Sep 12, 2013, 04:21 PM
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maybe ill change it to stock settings, only getting slight knock at 5k rpm at 26 psi. car runs good no problems.
Old Sep 13, 2013, 06:14 AM
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Originally Posted by JohnBradley
You could be near knock in vacuum for 100's of thousands of miles on a 8.8:1 motor and never hurt anything.
Well Sir, since you have tuned about 1000 more cars than I + made a living of it...
Old Sep 22, 2013, 06:34 AM
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Originally Posted by JohnBradley
You could be near knock in vacuum for 100's of thousands of miles on a 8.8:1 motor and never hurt anything.



Really only need to change the dip where it goes 19-19-18-19-20
Where I live I often hear regular n/a cars (mainly taxis) on the road with audible detonation and wonder how long they last like that.
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