Subject	My bad. The system does not use Ionisation Current.
Posted by	DVDBURN (MD) on December 16, 2011 at 11:44 AM
	This message has been viewed 497 times.
In Reply To	Some info on how the J&S knock system works. posted by DVDBURN (MD) on December 16, 2011 at 02:40 AM
Message	The system does not use the Ionisation Current monitoring method, sorry. What it does do is the next best thing. It uses an alogorithm to listen for when the knock occured in comparison to when the ignition fired to determine which cylinder ignition to retard. Way better than the stock system for monitoring knock. This makes it much more accurate in determining knock from other engine noises and lets you have a nice means of control during any RPMs. www.mytwinturbo.com Nissan Data Voice - The first Nissan diagnostic software with a voice! Download my Nissan 300ZX Vin/Model Lookup. Watch an ECZA meet caravan!
Follow Ups	Some info on how the J&S knock system works. - DVDBURN (MD) 02:40:03 12/16/11 Very good read.... Thanks for - samsungZ [Houston] 02:46:06 12/16/11 Thank you. (n/m) - Boosted1 06:10:04 12/16/11 Are you sure j & s uses ionistion for knock control ? - ztunerz 07:38:23 12/16/11 Does the system connect in parallel with the ECU to the - MixManMash 08:19:23 12/16/11 Yes, essentially its a knock sensor amplifier with - ztunerz 08:57:43 12/16/11 Thanks for sharing. Anything to protect the engine - JMartz 08:32:39 12/16/11 The knock sensor is connected in parallel to both the - ztunerz 09:03:43 12/16/11 I believe Saab has been using ionization current monitoring - jmt-z 08:39:27 12/16/11 So does bmw with individual timing retard per cylinder - ztunerz 08:59:56 12/16/11 Re: Some info on how the J&S knock system works. - rhombicblue 08:56:14 12/16/11 Agreed thats what i thought (n/m) - ztunerz 09:00:43 12/16/11 My bad. The system does not use Ionisation Current. - DVDBURN (MD) 11:44:33 12/16/11 If knock is detected and timing is retarded - madscientist222 14:07:38 12/16/11 The system is always trying to re-advance......more info - Greg D. (Specialty-Z) 17:25:30 12/16/11 Glad i bought this last night. - madscientist222 19:27:00 12/16/11 Thanks for the purchase - Greg D. (Specialty-Z) 19:49:52 12/16/11 Is it impossible with the lower plenum still on? - madscientist222 10:08:28 12/17/11 Re: Glad i bought this last night. - CmyZ 20:18:41 12/16/11 Relocating the sensor to the top makes the sensor useless... - Greg D. (Specialty-Z) 20:40:46 12/16/11 On the J&S website under the example setup for an MR2 it - zhundred3x 22:18:21 12/16/11 Simpler to pull the trans then the lower plenum. - Bernie (NoVA) 22:44:52 12/16/11 Yeah definitely wasnt planning on removing the lower plenum. - madscientist222 10:14:05 12/17/11 Leave the belt alone. It's miles not age. (n/m) - Bernie (NoVA) 20:31:50 12/17/11
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