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oldcorollas Forums Junkie Location: Kita-Ku, Sapporo, Japan Registered: January 2003	Re: Intercooler piping Mon, 13 December 2004 04:09 SupraPete wrote on Mon, 13 December 2004 14:45 Special Ed wrote on Mon, 13 December 2004 14:05 Some of the best 1j exhaust systems now incorporate a 4 inch section after the turbo, big volume there = big HP. Big volume is great! If it was cold *I* believe it'd be even better. I can't see why high heat (and velocity) would be a good thing (after the turbo). Theres always going to be restrictions on the pipe like cat/muffler. it's a balancing act. when you loose heat in an exhaust, you loose both volume (higher density) and velocity, and the properties of the gas change... friction with a surface is higher with a more dense gas, but velocity also increases friction . you also change the speed of sound in the exhaust gas, but post turbo, this is not a big deal (it is for NA cars) think of it this way.... take 2 syringes and fill one with water, and the other with chocolate topping. now squirt them both... water is easier to squirt as less resistance... but if you squirt the water faster, there will be more resistance... same for hot/cold gas. i also agree that cat/muffler are large restrictions, but by then, the temp and velocity will have decreased markedly anyway (compared to pre/post turbo) basically we are talking about a 3fold increase/decrease of gas volume.... if someone wants to do some fluid flow calculations (based on straight pipe and normal wall friction), please do Cya, Stewart [Report message to a moderator]

	Subject	Poster	Date
	Intercooler piping	Cool1	Tue, 31 August 2004 12:37
	Re: Intercooler piping	Siktoy ra23	Tue, 31 August 2004 12:57
	Re: Intercooler piping	Cool1	Tue, 31 August 2004 13:00
	Re: Intercooler piping	joorsh	Tue, 31 August 2004 13:05
	Re: Intercooler piping	draven	Tue, 31 August 2004 13:20
	Re: Intercooler piping	joorsh	Tue, 31 August 2004 13:24
	Re: Intercooler piping	Cool1	Tue, 31 August 2004 13:26
	Re: Intercooler piping	Norbie	Tue, 31 August 2004 23:28
	Re: Intercooler piping	joorsh	Tue, 31 August 2004 23:48
	Re: Intercooler piping	Norbie	Tue, 31 August 2004 23:50
	Re: Intercooler piping	joorsh	Tue, 31 August 2004 23:55
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 00:02
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 00:42
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 01:15
	Re: Intercooler piping	Norbie	Wed, 01 September 2004 01:27
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 01:52
	Re: Intercooler piping	ke382TG	Wed, 01 September 2004 01:44
	Re: Intercooler piping	bbaacchhyy	Wed, 01 September 2004 01:54
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 01:48
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 02:04
	Re: Intercooler piping	ke382TG	Wed, 01 September 2004 02:08
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 02:14
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 02:17
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 02:21
	Re: Intercooler piping	bbaacchhyy	Wed, 01 September 2004 02:29
	Re: Intercooler piping	indian	Wed, 01 September 2004 02:34
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 02:50
	Re: Intercooler piping	Chris Davey	Wed, 01 September 2004 02:19
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 02:27
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 02:57
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 03:07
	Re: Intercooler piping	Jag7799	Wed, 01 September 2004 03:11
	Re: Intercooler piping	kingmick	Wed, 01 September 2004 03:11
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 03:17
	Re: Intercooler piping	ke382TG	Wed, 01 September 2004 03:23
	Re: Intercooler piping	7mgte83	Wed, 01 September 2004 07:42
	Re: Intercooler piping	HyDrA	Wed, 01 September 2004 07:53
	Re: Intercooler piping	bbaacchhyy	Wed, 01 September 2004 21:55
	Re: Intercooler piping	Alainve	Wed, 01 September 2004 09:08
	Re: Intercooler piping	mx83toy	Wed, 01 September 2004 11:32
	Re: Intercooler piping	Alainve	Thu, 09 September 2004 09:20
	Re: Intercooler piping	Cool1	Wed, 01 September 2004 11:41
	Re: Intercooler piping	Norbie	Wed, 01 September 2004 23:08
	Re: Intercooler piping	Cool1	Wed, 01 September 2004 23:13
	Re: Intercooler piping	Bugman	Wed, 01 September 2004 23:18
	Re: Intercooler piping	Cool1	Wed, 01 September 2004 23:23
	Re: Intercooler piping	Norbie	Wed, 01 September 2004 23:31
	Re: Intercooler piping	Cool1	Wed, 01 September 2004 23:32
	Re: Intercooler piping	3T-GTE	Thu, 02 September 2004 02:19
	Re: Intercooler piping	lang	Thu, 09 September 2004 17:41
	Re: Intercooler piping	Cool1	Thu, 02 September 2004 12:54
	Re: Intercooler piping	7M-Brisbane	Thu, 02 September 2004 13:39
	Re: Intercooler piping	bbaacchhyy	Fri, 03 September 2004 01:40
	Re: Intercooler piping	Norbie	Thu, 02 September 2004 22:26
	Re: Intercooler piping	draven	Thu, 02 September 2004 22:59
	Re: Intercooler piping	tripharn	Thu, 02 September 2004 23:50
	Re: Intercooler piping	Jag7799	Fri, 03 September 2004 01:10
	Re: Intercooler piping	joorsh	Fri, 03 September 2004 01:20
	Re: Intercooler piping	Jag7799	Fri, 03 September 2004 01:35
	Re: Intercooler piping	Norbie	Fri, 03 September 2004 01:22
	Re: Intercooler piping	monkeymajik	Fri, 03 September 2004 01:29
	Re: Intercooler piping	HyDrA	Fri, 03 September 2004 03:08
	Re: Intercooler piping	Cool1	Fri, 03 September 2004 03:11
	Re: Intercooler piping	HyDrA	Fri, 03 September 2004 03:15
	Re: Intercooler piping	bbaacchhyy	Fri, 03 September 2004 03:18
	Re: Intercooler piping	HyDrA	Fri, 03 September 2004 03:20
	Re: Intercooler piping	HyDrA	Fri, 03 September 2004 03:19
	Re: Intercooler piping	HyDrA	Fri, 03 September 2004 03:47
	Re: Intercooler piping	Classique71	Fri, 03 September 2004 09:07
	Re: Intercooler piping	Fattony	Fri, 03 September 2004 11:42
	Re: Intercooler piping	Wildsupra	Wed, 08 September 2004 14:16
	Re: Intercooler piping	Jag7799	Thu, 09 September 2004 04:23
	Re: Intercooler piping	Norbie	Wed, 08 September 2004 23:08
	Re: Intercooler piping	lumpy	Wed, 08 September 2004 23:43
	Re: Intercooler piping	HyDrA	Thu, 09 September 2004 03:23
	Re: Intercooler piping	lumpy	Thu, 09 September 2004 03:38
	Re: Intercooler piping	Norbie	Thu, 09 September 2004 03:47
	Re: Intercooler piping	brett_celicacoupe	Thu, 09 September 2004 04:16
	Re: Intercooler piping	HyDrA	Thu, 09 September 2004 04:37
	Re: Intercooler piping	Fattony	Thu, 09 September 2004 08:12
	Re: Intercooler piping	Norbie	Thu, 09 September 2004 08:32
	Re: Intercooler piping	Stefan	Thu, 09 September 2004 12:05
	Re: Intercooler piping	Wildsupra	Thu, 09 September 2004 10:25
	Re: Intercooler piping	Ribbo	Thu, 09 September 2004 11:46
	Re: Intercooler piping	draven	Thu, 09 September 2004 12:25
	Re: Intercooler piping	Norbie	Thu, 09 September 2004 13:37
	Re: Intercooler piping	old_mr2	Thu, 09 September 2004 14:41
	Re: Intercooler piping	bbaacchhyy	Thu, 09 September 2004 16:12
	Re: Intercooler piping	feral4mr2	Thu, 09 September 2004 21:45
	Re: Intercooler piping	lumpy	Fri, 10 September 2004 02:07
	Re: Intercooler piping	Bugman	Fri, 10 September 2004 03:50
	Re: Intercooler piping	Wildsupra	Fri, 10 September 2004 09:21
	Re: Intercooler piping	kingmick	Fri, 10 September 2004 10:03
	Re: Intercooler piping	Norbie	Fri, 10 September 2004 10:28
	Re: Intercooler piping	MS-75	Fri, 10 September 2004 15:10
	theory Question	thetoyman75	Fri, 17 September 2004 13:26
	Re: theory Question	Norbie	Sat, 18 September 2004 03:03
	Re: Intercooler piping	stumpy	Sat, 18 September 2004 14:59
	Re: Intercooler piping	Jag7799	Sat, 18 September 2004 15:51
	Re: Intercooler piping	gold28	Wed, 22 September 2004 10:43
	Re: Intercooler piping	manmx83	Thu, 23 September 2004 16:15
	Re: Intercooler piping	monkeymajik	Mon, 13 December 2004 01:48
	Re: Intercooler piping	SupraPete	Fri, 24 September 2004 03:34
	Re: Intercooler piping	Norbie	Fri, 24 September 2004 04:02
	Re: Intercooler piping	Special Ed	Mon, 13 December 2004 01:28
	Re: Intercooler piping	SupraPete	Mon, 13 December 2004 02:44
	Re: Intercooler piping	Special Ed	Mon, 13 December 2004 03:05
	Re: Intercooler piping	SupraPete	Mon, 13 December 2004 03:45
	Re: Intercooler piping	oldcorollas	Mon, 13 December 2004 04:09
	Re: Intercooler piping	Special Ed	Mon, 13 December 2004 04:57
	Re: Intercooler piping	thetoyman75	Mon, 13 December 2004 05:09
	Re: Intercooler piping	SupraPete	Mon, 13 December 2004 05:52
	Re: Intercooler piping	thetoyman75	Mon, 13 December 2004 04:34
	Re: Intercooler piping	SupraPete	Mon, 13 December 2004 05:50
	Re: Intercooler piping	thechuckster	Mon, 13 December 2004 08:04
	Re: Intercooler piping	SupraPete	Mon, 13 December 2004 03:47

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