Subject	The 16bit ecu has more resolution vs the 8bit, plus no AIV
Posted by	Bernie (NoVA) on December 17, 2019 at 8:43 PM
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In Reply To	If that's the case, then I think everything is okay. posted by moxie (SF) on December 16, 2019 at 12:59 PM
Message	therefore it's constantly adjusting the timing to minimize idle emissions and keep the cats hot. The older 8 bit ecu is slower and it doesn't flutter the timing as often. Both should be solid when you disable the ecu input to set the base timing. On the 16 bit cars if you bump up the idle a bit the timing will get a little more stable at idle, I usually dial them into 900~925. Bernie Bilski berniebilski@cox.net President of Z-Car Club of Northern Virginia 1995 Nissan 300ZX TwinTurbo in Cobalt Green 1997 Nissan 240SX SE in Ultra Red 2006 Nissan Frontier SE in Ultra Black
Follow Ups	The saga continues, but getting close *I think* - moxie (SF) 01:38:34 12/15/19 Re: The saga continues, but getting close *I think* - itsa300zx 09:27:59 12/15/19 Re: Re: The saga continues, but getting close *I think* - moxie (SF) 10:37:26 12/15/19 Check your TPS Volts Setting/Switch Setting - Cjw3 15:40:45 12/15/19 Go through the entire idle set routine - platinumist 21:19:04 12/15/19 I did, everything is now set up correctly, total pita - moxie (SF) 22:47:43 12/15/19 2. Normal on 16bit ecu. - Bernie (NoVA) 10:25:11 12/16/19 If that's the case, then I think everything is okay. - moxie (SF) 12:59:03 12/16/19 The 16bit ecu has more resolution vs the 8bit, plus no AIV - Bernie (NoVA) 20:43:49 12/17/19 How do you disabled the ECU input to set base timing? - moxie (SF) 08:57:41 12/19/19 Use the Base Idle setting in Datascan - vorpalZed 09:43:57 12/19/19 awesome, thanks, very helpful. Datascan is an awesome tool - moxie (SF) 16:14:54 12/19/19 I like the + 50 RPM spec for Canada... keeps us warm in the - vorpalZed 16:48:35 12/19/19 good tip (n/m) - moxie (SF) 17:16:43 12/19/19 No I set the idle screw to hold the idle @ 925ish (n/m) - Bernie (NoVA) 15:46:44 12/19/19 awesome, thanks again! Very helpful. I'm surprised this is - moxie (SF) 16:15:38 12/19/19 Lesson of the day: 8 more bits make it twitchy. (n/m) - MixManMash 13:32:44 12/16/19 One more follow up for the record in the hopes this whole - moxie (SF) 13:42:58 12/16/19 congrats! You've earned your Amateur Z banner: - vorpalZed 14:30:02 12/16/19 lol. Yeah. I definitely earned that. Hahah (n/m) - moxie (SF) 17:57:22 12/16/19 Nice! (n/m) - Barry (NJ) 14:39:40 12/16/19 nice.....you just learned more than 99% of Z owners (n/m) - LJZTT 14:55:19 12/16/19 Good job. (n/m) - Boosted1 16:43:29 12/16/19 Yep. I have seen that issue first hand. - MixManMash 18:28:45 12/16/19 I thought using the PTU loop was standard - ZXRider 08:58:24 12/17/19 I haven't had good luck with the PTU loop either. (n/m) - MixManMash 18:55:34 12/17/19 Same, only consistent reading I can get is using - Tanley (ATL) 20:01:45 12/17/19 Guilty. (n/m) - ConVerTT 15:18:16 12/17/19 now I need to recheck my timing lol - platinumist 19:05:43 12/16/19 my harbor freight one does - moxie (SF) 00:49:36 12/17/19 I believe it lets you dial in advance or retard amount... - Ted (92TT) 01:16:52 12/17/19 I set the advance on mine to 15, so that when timing is - MixManMash 07:06:55 12/17/19 The advance/retard function also help check where timing is. - MixManMash 07:34:49 12/17/19 Ahh. That makes sense. (n/m) - moxie (SF) 10:43:52 12/17/19 Great job seeing it through. You're an inspiration - spicyZ 08:18:27 12/17/19 Nice. (n/m) - Bernie (NoVA) 20:46:34 12/17/19
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