Subject	BTW, volumetric efficiency is unrelated to boost - it is a
Posted by	Ash's Z on November 18, 2005 at 2:14 AM
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In Reply To	Yes, I know that.... posted by sorka on November 18, 2005 at 02:07 AM
Message	factor of how the engine breathes through its RPM band, which is more directly tied into the induction components used; namely camshafts, valve size, portwork, exhaust manifold, exhaust, etc etc. The VG breathes its best through its peak boost region (4500-5500 RPM), dependent on these other variables. [ ashspecz.com ] [ agpowers@bellsouth.net ] Enthusiasts soon understand each other. --W. Irving. Are you an enthusiast? If you are out to describe the truth, leave elegance to the tailor. Albert Einstein
Follow Ups	Anyone have MAF readings from your dyno runs? - sorka 22:45:53 11/17/05 Tons of datalogs. Here you go (from the data we collected - Ash's Z 23:31:26 11/17/05 Thanks....nice info - Seb (Specialty-Z) 01:22:02 11/18/05 Give me a moment and I'll export the data and plot it (n/m) - Ash's Z 01:24:15 11/18/05 Re: Give me a moment and I'll export the data and plot it (n - Seb (Specialty-Z) 01:26:57 11/18/05 Here it is. - Ash's Z 01:53:48 11/18/05 Re: Here it is. - Seb (Specialty-Z) 01:59:03 11/18/05 Nah, I'll spend the time on them as my progression in - Ash's Z 02:03:44 11/18/05 Re: Nah, I'll spend the time on them as my progression in - Seb (Specialty-Z) 02:11:20 11/18/05 Yeah, I'm going to bed.. Its 3AM here.. I'll send them over - Ash's Z 02:15:59 11/18/05 My dual MAF setup never hit higher than 3.82v - 2960cc of fury (Houston) 00:39:54 11/18/05 Anywhere from 17-20 degrees of timing on 93 is fine. (n/m) - Ash's Z 01:18:25 11/18/05 What kind of boost pressures would you recommend him - Seb (Specialty-Z) 01:24:22 11/18/05 I think you are confusing CAS timing vs. ignition timing map - Ash's Z 01:56:41 11/18/05 Re: I think you are confusing CAS timing vs. ignition timing - Seb (Specialty-Z) 02:07:50 11/18/05 Yes I am referring to the actual timing maps, my CAS - 2960cc of fury (Houston) 08:52:46 11/18/05 I can email you my log in excel format if you would like (n/m) - 2960cc of fury (Houston) 00:41:07 11/18/05 Any single POP data? - sorka 01:04:36 11/18/05 Something wasn't right with that data.. The MAS maxes - Ash's Z 01:16:40 11/18/05 Um..... - sorka 01:41:22 11/18/05 Sure sign of a boost leak there.... Your MAS voltage - Ash's Z 01:58:00 11/18/05 No boost leak... - sorka 02:05:21 11/18/05 Re: No boost leak... - sorka 02:12:36 11/18/05 Re: Something wasn't right with that data.. The MAS maxes - sorka 01:43:53 11/18/05 4.54 volts single pop == 3.67 volts dual pop. - sorka 02:47:20 11/18/05 Check out this data before and after SS DPs.... - sorka 01:37:52 11/18/05 You math isn't correct as there isn't a linear relationship - Ash's Z 02:00:51 11/18/05 Yes, I know that.... - sorka 02:07:00 11/18/05 Take it to the dyno and show me a 29HP increase. (n/m) - Ash's Z 02:09:50 11/18/05 Re: Take it to the dyno and show me a 29HP increase. - sorka 02:16:19 11/18/05 BTW, volumetric efficiency is unrelated to boost - it is a - Ash's Z 02:14:35 11/18/05 Which is why I made the comparison before and after at the - sorka 02:28:43 11/18/05 There isn't even a linear relationship between AIRFLOW and - Z-Jay (Edmonton, AB) 10:08:34 11/18/05 That's what the VQ table is for.... - sorka 10:30:33 11/18/05
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