Subject	So, by this, are our MAFs the bottleneck ?
Posted by	TTkeeper on November 18, 2009 at 11:02 AM
	This message has been viewed 164 times.
In Reply To	Keep in mind the cfm of air flow is limited by the engine posted by not4resaleZ on November 18, 2009 at 10:47 AM
Message	Larger ducting from the dual mafs to the compressor would require larger maf diameters ? Am I thinking correctly on this?
Follow Ups	Any idea why Z1 TB's were made 58mm? - MeatMan - 604Z.ca - 10:00:08 11/18/09 They went as big as they could, - ni[X]it 10:12:19 11/18/09 Good point, that didn't occur to me. (n/m) - MeatMan - 604Z.ca - 12:53:33 11/18/09 In response - Russell@Z1 10:29:13 11/18/09 Thanks for the insight. (n/m) - MeatMan - 604Z.ca - 12:52:54 11/18/09 Keep in mind the cfm of air flow is limited by the engine - not4resaleZ 10:47:23 11/18/09 So, by this, are our MAFs the bottleneck ? - TTkeeper 11:02:24 11/18/09 No the elbows neck down. (n/m) - not4resaleZ 11:07:29 11/18/09 elbows to turbo compressor piping change with engine in? - TTkeeper 11:17:54 11/18/09 cfm is really a useless metric for engine performance - aliaZ 11:46:49 11/18/09 Take an intercooler that flows 600 cfm at one psi of - not4resaleZ 14:34:58 11/18/09 cfm is not the same as scfm... - CaliguyPurdue (Selin Design) 15:45:15 11/18/09 If it is not the correct formula, which formula should I be - not4resaleZ 16:18:58 11/18/09 Pressure drop through a pipe is vastly different than - aliaZ 21:05:18 11/18/09 I'm sure there could be a better formula. - not4resaleZ 22:44:33 11/18/09 I would like you to think about developing larger intake - not4resaleZ 18:15:38 11/18/09 According to the Garrett website cfm (aka volumetric flow) - HighPsi 16:46:35 11/18/09 air density changes constantly based on pressure and temp (n/m) - aliaZ 17:08:15 11/18/09 Understandable, obviously air density output is variable - HighPsi 17:54:56 11/18/09 CFM, by itself, is useless - aliaZ 18:27:20 11/18/09 True, that is why I addressed all three in my origional post (n/m) - not4resaleZ 19:49:48 11/18/09 You didn't mention temperature, did you? (n/m) - aliaZ 21:00:17 11/18/09 I mentioned the cfm change due to the intercooler. - not4resaleZ 21:38:54 11/18/09 This is assuming there is not a pressure drop across - not4resaleZ 21:54:47 11/18/09 scfm = cfm * 530/Tabs * 14.7/psia - Brad(RI) 18:25:47 11/18/09 no e-mail to Z1? (n/m) - Halo Z 10:57:42 11/18/09 Nope, I knew you were itching to post somethig. :-) (n/m) - MeatMan - 604Z.ca - 12:54:41 11/18/09 not really. just wondering why folks come here to ask about - Halo Z 15:03:06 11/18/09 What is Z1's forum?? (n/m) - ZXoltan 16:23:57 11/18/09 3zc (n/m) - HighPsi 17:03:04 11/18/09 What size are ka24de throttle bodies again? (n/m) - zxtuner161 14:44:40 11/18/09 60mm (n/m) - aliaZ 15:43:33 11/18/09 OD.... which would make the ID very close to z1's... - zxtuner161 16:41:21 11/18/09 actually I think that is ID (n/m) - aliaZ 16:42:54 11/18/09
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