Subject	it would be great to have a more balanced plenum
Posted by	aliaZ on December 26, 2011 at 1:21 AM
	This message has been viewed 226 times.
In Reply To	I saw one of those at Laguna seca last year posted by BlackholeZ on December 26, 2011 at 01:14 AM
Message	We tune to the leanest cylinders, which is 5 and 6 because the get a "ram effect", while 1 and 2 are probably running richer because the airflow skips past the runner opening. AFR readings are just an average of each bank
Follow Ups	interesting (long) thread on plenum design - aliaZ 00:27:34 12/26/11 Re: interesting (long) thread on plenum design - Ash's Z 00:54:16 12/26/11 yes, they are assuming steady flow - aliaZ 01:14:46 12/26/11 Yep, garbage in = garbage out :) - Obeeone 22:57:25 12/26/11 I saw one of those at Laguna seca last year - BlackholeZ 01:14:06 12/26/11 it would be great to have a more balanced plenum - aliaZ 01:21:51 12/26/11 I would be more inclined to believe #5 and #6 actually - Ash's Z 01:32:23 12/26/11 I think that would be more the case in an NA application - aliaZ 13:01:18 12/26/11 here is a VG30 manifold - aliaZ 01:56:38 12/26/11 Interesting. Any reason to keep the runner that long? - BlackholeZ 02:33:54 12/26/11 the only thing I can think of is to maintain mounting points - aliaZ 08:42:27 12/26/11 Another is: because it's a street car that spends 95% of its - LitlElvis 11:36:04 12/26/11 I hope to get a package in the mail to you shortly (n/m) - aliaZ 12:50:51 12/26/11 good point, I guess more of a race-mod (n/m) - BlackholeZ 13:01:12 12/26/11 another example - aliaZ 10:30:10 12/26/11 The GTR's plenum looks very well balanced by having the - TheTwinZ (Peru) 13:43:28 12/26/11 Its crazy how much it looks like a evolution of ours. (n/m) - sandmanz32 20:02:59 12/26/11 In a lot of ways it is... - RedBeauty84zx (San Antonio) 15:12:18 12/27/11 when you can't make something awesome as - sandmanz32 21:21:12 12/27/11 That's because it *is*. (n/m) - Bernie (NoVA) 23:48:51 12/27/11
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