Apexi S-AFC II knock sensor

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Bjørn Stensrud
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Joined: Sun Dec 29, 2002 11:51 am
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Anyone got the new S-AFC on their SR20DET? Does the knock monitor work, and can it be used reliably for tuning?

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180fan
Posts: 7799
Joined: Sat Dec 14, 2002 12:16 pm
Car: 89 fastback

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Knock monitor works, and it can be used as a safety measure for tuning since it is feeding off the knock sensor that's going to your ecu. Keep in mind the S-AFC II was used in the Apexi MR-S which did do very well last season.
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titotonto
Posts: 113
Joined: Mon Dec 09, 2002 6:14 am

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Knock sensor is pretty worthless in any modern Nissan becauseabove 3500 R.P.M's there is too much vibration and noise for it to be used accurately as a tuning device.
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