Subject	Understandable, obviously air density output is variable
Posted by	HighPsi on November 18, 2009 at 5:54 PM
	This message has been viewed 122 times.
In Reply To	air density changes constantly based on pressure and temp (n/m) posted by aliaZ on November 18, 2009 at 05:08 PM
Message	based upon inputs. The point being that cfm is not a useless measure, it is just one of the two variables for determining the mass flow rate.
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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