Subject	Detecting detonation
Posted by	MY3ZTT on May 24, 2009 at 8:58 PM
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Message	I want to get my car tuned pretty soon and i have a concern about detonation. I have the Zemulator and I have talked to Ash and he said to listen for the audible knock and then turn the boost down a couple of psi. I'm pretty sure that there is some detonation happening even before you could hear it audibly. The Zem can't read the knock signal in its current form so I was wondering if there were any other products out there that could help monitoring it to help with tuning. I found this "knock light" but wasn't sure if it would work properly with the Z32 system. [ http://cgi.ebay.com/ebaymotors/TurboXS-Universal-KnockLite-Knock-Detection-Shift-Light_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a1Q7c293Q3a1Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem1c09157401QQitemZ120411485185QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories ] IIRC the stock det. sensor only reads detonation till about 3000 RPMs.
Follow Ups	Detecting detonation - MY3ZTT 20:58:11 05/24/09 I'd go with this: - aliaZ 21:12:58 05/24/09 2nd. (n/m) - MixManMash 00:22:51 05/25/09 Nice (n/m) - Spongerider :) 01:53:26 05/25/09 Interesting theory and interesting idea - ConVerTT 13:45:18 05/25/09 I know Lightspeed in Red Deer uses it to do tuning. (n/m) - MixManMash 17:48:16 05/25/09 Thx. Good info. (n/m) - ConVerTT 18:39:33 05/25/09 The Apex SAFC-II has a knock sensor input. - apudapus 14:04:48 05/25/09 How accurate is it though?? I've been wondering about that. - XRotorhead 22:41:49 05/25/09 It is very accurate. - apudapus 12:34:24 05/27/09 I was going to attempt a single LED install. (n/m) - SuparexTT 18:08:13 05/25/09 Check out the "Integral Knock Meter"... - CaliguyPurdue (redesigning) 00:56:56 05/26/09
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