Subject	So basically having some form of active control where you
Posted by	MixManMash on July 03, 2012 at 10:54 PM
	This message has been viewed 218 times.
In Reply To	I like the spool and personally would want to keep it.... posted by Greg D. (Specialty-Z) on July 03, 2012 at 10:14 PM
Message	could vent the extra air, especially between shifts or at certain load and RPM conditions. How would you get around the issue of the MAFs metering this air? Or is the car running a MAP instead?
Follow Ups	GT35 Compressor Map Plot against dyno Chart - Greg D. (Specialty-Z) 21:18:37 07/03/12 Why not go with larger exhaust housings? Should help shift - zxtuner161 21:41:01 07/03/12 That is way to move the surge line, but your giving the - Greg D. (Specialty-Z) 21:58:55 07/03/12 And surging isn't? Lol. Can't have your cake and eat it too. - zxtuner161 22:01:59 07/03/12 Of course I want to find a way to have my cake and eat it! (n/m) - Greg D. (Specialty-Z) 22:17:27 07/03/12 Tial only offers the .63 and .82 A/R housings... - Machtavian 00:45:40 07/04/12 Steve has the larger exhaust housings on the shelf... - Machtavian 00:33:41 07/04/12 Thanks for the explanation! So are these snails just too big - marklar182 21:43:19 07/03/12 No, the turbines are mismatched for the motor. (n/m) - zxtuner161 21:53:07 07/03/12 Things that will help without increasing exhaust housings... - Greg D. (Specialty-Z) 01:24:25 07/04/12 Larger tubing on the exhaust manifolds & a better merge - induetime 11:28:20 07/04/12 Thank you very much for sharing that. (n/m) - Boosted1 21:47:36 07/03/12 Great explanation. So in essence, you don't think the - MixManMash 21:50:28 07/03/12 The issue with compressor surge is caused by back pressure - zxtuner161 21:59:37 07/03/12 At the cost of slow response with a turbo that size on this - Greg D. (Specialty-Z) 22:20:01 07/03/12 So this is mostly an issue being associated with the Auto? - 91300zxttkid 07:13:03 07/04/12 A manual trans will actuate the BOV/Recirc if you lift to - marklar182 11:20:28 07/04/12 I like the spool and personally would want to keep it.... - Greg D. (Specialty-Z) 22:14:21 07/03/12 That would be awesome to see. (n/m) - zxtuner161 22:27:13 07/03/12 So basically having some form of active control where you - MixManMash 22:54:53 07/03/12 Already running MAP (n/m) - Greg D. (Specialty-Z) 23:06:14 07/03/12 Stand alone? (n/m) - Piranha 02:46:55 07/04/12 +1, MAP owns MAF, the sooner the community catches up, - samsung-Z [Houston] 13:45:06 07/04/12 When do you plan on providing data to support your claims? - aliaZ 07:19:35 07/05/12 whoa - Greg recommending BOVs ? Now I have heard it all .. - The Devils Z 07:27:44 07/04/12 nothing wrong with BOV's IF they are bigger valves than - ztunerz 16:59:09 07/04/12 I'm thinking about getting these: - MixManMash 18:04:11 07/04/12 BTW, did you get the runfiles I sent you? - MixManMash 18:04:50 07/04/12 yeah got it, need to get everything on the same computer... (n/m) - ztunerz 20:45:05 07/04/12 Cool. (n/m) - MixManMash 23:38:53 07/04/12 Link inside >>> - ztunerz 22:10:10 07/05/12 Thanks for posting. This is food for thought for me. (n/m) - Inzane 00:31:33 07/07/12 what do you know ..like you work on Z's or something - The Devils Z 18:38:21 07/04/12 lately i feel i know very little. Things will turn around i - ztunerz 20:43:08 07/04/12 Makes sense. (n/m) - Boosted1 07:42:29 07/04/12 Great info Greg. (n/m) - sfarrah 23:31:20 07/03/12 Just put a little red nose on it and.... - RAGTPZ 23:47:51 07/03/12 That was a fun read, thanks! (n/m) - SeedyROM 03:09:34 07/04/12 Greg - what are your thoughts on the lag / response - The Devils Z 07:58:05 07/04/12 looking at my boost plot chart ..the difference is that - The Devils Z 08:08:14 07/04/12 Don't forget that this Z has a JUN stroker kit. The - MixManMash 08:49:27 07/04/12 thanks .. I forgot the details .. (n/m) - The Devils Z 10:57:31 07/04/12 i really wonder if it has to do with the 4mm stroke or the - ztunerz 20:46:27 07/04/12 I vote for neither - aliaZ 22:03:08 07/04/12 You think head work / cams would make the biggest difference - MixManMash 23:42:10 07/04/12 yes - aliaZ 07:13:33 07/05/12 Is the Crower crank using stock stroke? (n/m) - MixManMash 07:36:40 07/05/12 yes - aliaZ 07:45:14 07/05/12 good info! raising rev limit to drop into non surge zone? (n/m) - JaffaUK 15:36:25 07/04/12 I realized that the correction factors were not the same - The Devils Z 16:40:23 07/04/12 That dyno pull was at 4500 feet above sea level in Reno, NV - Machtavian 14:22:05 07/05/12 Re: GT35 Compressor Map Plot against dyno Chart - VERTTZ 08:38:32 07/04/12 Yes... - Machtavian 09:45:24 07/04/12 Electronically controlled BOV? - Zbullet 08:45:11 07/04/12 Great info Greg! Are there negative consequences to just - ConVerTT 13:35:34 07/04/12 In other words, is it terminal or just innefficient? (n/m) - ConVerTT 13:43:59 07/04/12 Damaging! High pressure surges are like a heart attack. - OverZealous (CT) 13:56:02 07/04/12
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