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680OST Regular Registered: August 2004	Re: 1ggte plenim Thu, 27 January 2005 02:40 The stock plenum flows 280cfm, the stock head only flows about 150cfm, even a fully done head, with about as much port work as possible and stock valves only flows 200cfm, so the answer to your question is that the manifold is good for as much power as your engine will ever make. I have made 310rwkw so far with one, although it melted 1 and 6 as the stock manifold flows 10cfm more air on 1 and 6 than every other runner, and if you keep the factory butterflies in there, they also make 1 and 6 flow 10cfm more again, so 20cfm total more air on 1 and 6. Thats a big difference when your running fair amounts of boost, or leaning it out past about 11.5/12:1 A/F. I have since had mine power ported to solve the problem and built a new engine, I'm hoping for 358rwkw when my new engine is tuned and cams dialled in. One thing that may help you, if you pull out the stock butterfies and look at them, the shaft that goes through the runners and has the butterflies on them finishes short in runners 1 and 6, there is nothing in these ports, and this is responsible for the extra 10cfm of flow in these cylinders. All you need to do is drill and tap a hole for a 4mm bolt in the ends and screw a long bolt into the port. Problem Solved!! Now you only have to worry about the 10cfm difference in the manifold:) 6BOOST [Report message to a moderator]

	Subject	Poster	Date
	1ggte plenum	jcmunga	Wed, 26 January 2005 00:37
	Re: 1ggte plenim	justcallmefrank	Wed, 26 January 2005 00:42
	Re: 1ggte plenim	MR 1JZ	Thu, 27 January 2005 02:26
	Re: 1ggte plenim	680OST	Thu, 27 January 2005 02:40
	Re: 1ggte plenim	MR 1JZ	Thu, 27 January 2005 02:48
	Re: 1ggte plenim	Dylo	Thu, 27 January 2005 02:50
	Re: 1ggte plenim	stradlater	Fri, 28 January 2005 01:07
	Re: 1ggte plenim	Fattony	Fri, 28 January 2005 02:03
	Re: 1ggte plenim	MR 1JZ	Fri, 28 January 2005 02:18
	Re: 1ggte plenim	stradlater	Fri, 28 January 2005 02:58
	Re: 1ggte plenim	MR 1JZ	Fri, 28 January 2005 03:19
	Re: 1ggte plenim	stradlater	Fri, 28 January 2005 03:44
	Re: 1ggte plenim	MR 1JZ	Fri, 28 January 2005 03:55
	Re: 1ggte plenim	stradlater	Fri, 28 January 2005 04:28
	Re: 1ggte plenim	680OST	Fri, 28 January 2005 06:21
	Re: 1ggte plenim	YelloRolla	Fri, 28 January 2005 08:00
	Re: 1ggte plenim	stradlater	Fri, 28 January 2005 06:42
	Re: 1ggte plenim	EMP-2TG	Fri, 28 January 2005 07:55
	Re: 1ggte plenum	680OST	Fri, 28 January 2005 23:48
	Re: 1ggte plenum	gold28	Sun, 30 January 2005 23:12
	Re: 1ggte plenum	Fattony	Sun, 30 January 2005 23:23
	Re: 1ggte plenum	680OST	Fri, 28 January 2005 23:51
	Re: 1ggte plenum	EMP-2TG	Sat, 29 January 2005 00:09
	Re: 1ggte plenum	BlackSupra	Sat, 29 January 2005 00:53
	Re: 1ggte plenum	jcmunga	Sat, 29 January 2005 04:57
	Re: 1ggte plenum	Siktoy ra23	Sat, 29 January 2005 06:54
	Re: 1ggte plenum	EMP-2TG	Sat, 29 January 2005 11:12
	Re: 1ggte plenum	badboybubby	Sun, 30 January 2005 11:23
	Re: 1ggte plenum	MR 1JZ	Sun, 30 January 2005 21:57
	Re: 1ggte plenum	stradlater	Sun, 30 January 2005 23:32
	Re: 1ggte plenum	gold28	Mon, 31 January 2005 00:33
	Re: 1ggte plenum	Fattony	Mon, 31 January 2005 02:18
	Re: 1ggte plenum	stradlater	Mon, 31 January 2005 04:52
	Re: 1ggte plenum	gold28	Mon, 31 January 2005 05:03
	Re: 1ggte plenum	stradlater	Mon, 31 January 2005 05:43
	Re: 1ggte plenum	Fattony	Mon, 31 January 2005 06:38
	Re: 1ggte plenum	Siktoy ra23	Mon, 31 January 2005 07:17
	Re: 1ggte plenum	stradlater	Mon, 31 January 2005 08:31
	Re: 1ggte plenum	Siktoy ra23	Mon, 31 January 2005 09:00
	Re: 1ggte plenum	stradlater	Mon, 31 January 2005 09:50
	Re: 1ggte plenum	justcallmefrank	Mon, 31 January 2005 09:57
	Re: 1ggte plenum	stradlater	Mon, 31 January 2005 10:56
	Re: 1ggte plenum	justcallmefrank	Mon, 31 January 2005 10:58
	Re: 1ggte plenum	gold28	Mon, 31 January 2005 21:11
	Re: 1ggte plenum	680OST	Tue, 01 February 2005 01:05
	Re: 1ggte plenum	MR 1JZ	Tue, 01 February 2005 01:17
	Re: 1ggte plenum	Fattony	Tue, 01 February 2005 02:15
	Re: 1ggte plenum	680OST	Tue, 01 February 2005 21:31
	Re: 1ggte plenum	680OST	Tue, 01 February 2005 21:36
	Re: 1ggte plenum	quest	Tue, 01 February 2005 23:41
	Re: 1ggte plenum	hickoz_bro	Tue, 27 September 2005 12:06
	Re: 1ggte plenum	thechuckster	Tue, 27 September 2005 12:52
	Re: 1ggte plenum	CrAiGzEE	Thu, 29 September 2005 08:55
	Re: 1ggte plenum	hickoz_bro	Thu, 29 September 2005 11:18
	Re: 1ggte plenum	CrAiGzEE	Thu, 29 September 2005 11:43
	Re: 1ggte plenum	hickoz_bro	Thu, 29 September 2005 12:22
	Re: 1ggte plenum	hickoz_bro	Tue, 27 September 2005 12:58
	Re: 1ggte plenum	GTtwin	Thu, 29 September 2005 07:45

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