Subject	whoa - Greg recommending BOVs ? Now I have heard it all ..
Posted by	The Devils Z on July 04, 2012 at 7:27 AM
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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	Good work / documentation on this Greg. Looking forward to the results. =============Sig begins here================ The Devils Z.com 690 rwhp dyno View Me! Disclaimer : Not Safe For Work ! Kid :" Those old guys drive that way ?" Witness : "Yeah, I rode behind them at ZNationals 2010 on these back roads leaving the track day and they were foot in. They ran into the curves w/no brakes and didn't lift!" - Hampton Inn parking lot at ZNationals 2011 -
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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