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170bhp Regular Registered: January 2004	Re: Is 5 valve better than 4 valve? Mon, 30 May 2005 09:14 Witzl, I have thought many times about doing the whole stock motor thing on our engine dyno, including exhaust, then swap to extractors, air filter etc, but time to do this and money is against it. I have had a few 4age's on the engine dyno over the years, I will look for the figures, but what we did was dyno a stock big port, with 4-2-1's into dyno exhaust, and aftermarket ecu, then we took the factory manifold off and put on ITB's the gain was quite a bit. I have also dynoed 20v's (all silver) stock and with exhaust, no air box, mild cams etc, 16v big port with high comp, big cams ITB's and ae101 GZ, the GZ was stock boost, 4-2-1 aftermarket ecu, most of the motors have had adj cam gears which we could play around with to see the improvemnts/losses etc so I have a good indication of BHP on these, but like I said I'd love to start with dead stock including intake etc then slowly do mods and see the out comes, this would be great!! We have also had alot of Mazda BP motors on the dyno, modded heads , lots of cams, ITB's etc and they react quite funny to cams, too small not enough power, too big and very narrow power band, we tried recouping this with very high comp etc but to no avail, but by the same token they do put out good HP. [Report message to a moderator]

	Subject	Poster	Date
	Is 5 valve better than 4 valve?	170bhp	Fri, 27 May 2005 12:54
	Re: Is 5 valve better than 4 valve?	Big T	Fri, 27 May 2005 13:39
	Re: Is 5 valve better than 4 valve?	oldcorollas	Fri, 27 May 2005 14:49
	Re: Is 5 valve better than 4 valve?	takai	Fri, 27 May 2005 15:09
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Fri, 27 May 2005 15:34
	Re: Is 5 valve better than 4 valve?	takai	Sat, 28 May 2005 00:26
	Re: Is 5 valve better than 4 valve?	CLG	Sat, 28 May 2005 01:12
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Sat, 28 May 2005 01:42
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 05:16
	Re: Is 5 valve better than 4 valve?	floody	Tue, 31 May 2005 13:06
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 05:33
	Re: Is 5 valve better than 4 valve?	Henn	Sat, 28 May 2005 05:41
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 05:48
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 05:46
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:05
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 06:07
	Re: Is 5 valve better than 4 valve?	Acoustic	Tue, 31 May 2005 16:03
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:10
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 06:15
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:14
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 06:17
	Re: Is 5 valve better than 4 valve?	shinybluesteel	Sat, 28 May 2005 06:40
	Re: Is 5 valve better than 4 valve?	JFAllen	Sat, 28 May 2005 07:28
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:39
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 06:43
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:43
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:45
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:48
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 06:58
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Sat, 28 May 2005 07:52
	Re: Is 5 valve better than 4 valve?	takai	Sat, 28 May 2005 08:24
	Re: Is 5 valve better than 4 valve?	bored	Sat, 28 May 2005 10:45
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 10:08
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:12
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:14
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 11:24
	Re: Is 5 valve better than 4 valve?	takai	Sat, 28 May 2005 11:19
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:32
	Re: Is 5 valve better than 4 valve?	bored	Sat, 28 May 2005 11:40
	Re: Is 5 valve better than 4 valve?	takai	Sat, 28 May 2005 11:43
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:48
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:49
	Re: Is 5 valve better than 4 valve?	takai	Sat, 28 May 2005 11:53
	Re: Is 5 valve better than 4 valve?	IRA11Y	Mon, 06 June 2005 07:26
	Re: Is 5 valve better than 4 valve?	ke382TG	Sat, 28 May 2005 11:50
	Re: Is 5 valve better than 4 valve?	170bhp	Sat, 28 May 2005 11:59
	Re: Is 5 valve better than 4 valve?	ke382TG	Sat, 28 May 2005 12:37
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sat, 28 May 2005 13:58
	Re: Is 5 valve better than 4 valve?	boudan	Sat, 28 May 2005 15:22
	Re: Is 5 valve better than 4 valve?	Acoustic	Tue, 31 May 2005 16:16
	Re: Is 5 valve better than 4 valve?	*rivmasta*	Wed, 01 June 2005 00:38
	Re: Is 5 valve better than 4 valve?	off-road	Sun, 05 June 2005 09:14
	Re: Is 5 valve better than 4 valve?	off-road	Sun, 05 June 2005 09:31
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 29 May 2005 01:29
	Re: Is 5 valve better than 4 valve?	Ben Wilson	Tue, 31 May 2005 00:03
	Re: Is 5 valve better than 4 valve?	Joshstix	Sun, 29 May 2005 02:26
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 29 May 2005 08:14
	Re: Is 5 valve better than 4 valve?	SEXY 16	Sun, 29 May 2005 09:41
	Re: Is 5 valve better than 4 valve?	river	Sun, 29 May 2005 11:53
	Re: Is 5 valve better than 4 valve?	170bhp	Sun, 29 May 2005 12:00
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 29 May 2005 12:08
	Re: Is 5 valve better than 4 valve?	170bhp	Sun, 29 May 2005 12:11
	Re: Is 5 valve better than 4 valve?	Mr Revhead	Sun, 29 May 2005 12:34
	Re: Is 5 valve better than 4 valve?	oldcorollas	Sun, 29 May 2005 13:35
	Re: Is 5 valve better than 4 valve?	ROLLA GTi	Sun, 29 May 2005 13:45
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Sun, 29 May 2005 14:15
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 29 May 2005 14:58
	Re: Is 5 valve better than 4 valve?	THE WITZL	Mon, 30 May 2005 02:34
	Re: Is 5 valve better than 4 valve?	funkdoc	Mon, 30 May 2005 11:02
	Re: Is 5 valve better than 4 valve?	4agte	Mon, 06 June 2005 08:18
	Re: Is 5 valve better than 4 valve?	floody	Mon, 06 June 2005 09:57
	Re: Is 5 valve better than 4 valve?	4agte	Mon, 06 June 2005 10:10
	Re: Is 5 valve better than 4 valve?	floody	Tue, 07 June 2005 04:13
	Re: Is 5 valve better than 4 valve?	170bhp	Mon, 30 May 2005 09:14
	Re: Is 5 valve better than 4 valve?	170bhp	Mon, 30 May 2005 09:18
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 31 May 2005 10:36
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Mon, 30 May 2005 15:37
	Re: Is 5 valve better than 4 valve?	Johnny	Mon, 30 May 2005 15:55
	Re: Is 5 valve better than 4 valve?	justcallmefrank	Tue, 31 May 2005 02:07
	Re: Is 5 valve better than 4 valve?	takai	Tue, 31 May 2005 00:26
	Re: Is 5 valve better than 4 valve?	Ben Wilson	Tue, 31 May 2005 01:02
	Re: Is 5 valve better than 4 valve?	takai	Tue, 31 May 2005 01:04
	Re: Is 5 valve better than 4 valve?	THE WITZL	Tue, 31 May 2005 07:41
	Re: Is 5 valve better than 4 valve?	Jonny2TG	Tue, 31 May 2005 08:23
	Re: Is 5 valve better than 4 valve?	170bhp	Tue, 31 May 2005 11:40
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 31 May 2005 11:56
	Re: Is 5 valve better than 4 valve?	Merudo	Tue, 31 May 2005 11:57
	Re: Is 5 valve better than 4 valve?	xolent	Tue, 31 May 2005 12:17
	Re: Is 5 valve better than 4 valve?	170bhp	Tue, 31 May 2005 12:25
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 31 May 2005 12:43
	Re: Is 5 valve better than 4 valve?	170bhp	Tue, 31 May 2005 12:34
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 31 May 2005 12:57
	Re: Is 5 valve better than 4 valve?	takai	Tue, 31 May 2005 13:13
	Re: Is 5 valve better than 4 valve?	funkdoc	Wed, 01 June 2005 12:41
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Wed, 01 June 2005 14:04
	Re: Is 5 valve better than 4 valve?	emmac	Wed, 01 June 2005 14:45
	Re: Is 5 valve better than 4 valve?	rx-3 ip	Sat, 04 June 2005 06:26
	Re: Is 5 valve better than 4 valve?	170bhp	Sun, 05 June 2005 13:15
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 05 June 2005 13:47
	Re: Is 5 valve better than 4 valve?	Kr0n1k	Sun, 05 June 2005 17:34
	Re: Is 5 valve better than 4 valve?	170bhp	Sun, 05 June 2005 22:28
	Re: Is 5 valve better than 4 valve?	EMP-2TG	Sun, 05 June 2005 23:50
	Re: Is 5 valve better than 4 valve?	off-road	Sun, 05 June 2005 23:34
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 05 June 2005 23:40
	Re: Is 5 valve better than 4 valve?	jkvsnn	Tue, 07 June 2005 03:19
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 07 June 2005 03:34
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Sun, 05 June 2005 23:44
	Re: Is 5 valve better than 4 valve?	SEXY 16	Mon, 06 June 2005 01:00
	Re: Is 5 valve better than 4 valve?	oldcorollas	Mon, 06 June 2005 02:01
	Re: Is 5 valve better than 4 valve?	off-road	Mon, 06 June 2005 02:40
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Mon, 06 June 2005 04:02
	Re: Is 5 valve better than 4 valve?	oldcorollas	Mon, 06 June 2005 07:04
	Re: Is 5 valve better than 4 valve?	*rivmasta*	Mon, 06 June 2005 07:29
	Re: Is 5 valve better than 4 valve?	*rivmasta*	Mon, 06 June 2005 07:32
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Mon, 06 June 2005 08:14
	Re: Is 5 valve better than 4 valve?	takai	Mon, 06 June 2005 09:06
	Re: Is 5 valve better than 4 valve?	4agte	Mon, 06 June 2005 09:11
	Re: Is 5 valve better than 4 valve?	takai	Mon, 06 June 2005 11:38
	Re: Is 5 valve better than 4 valve?	Bobski	Mon, 06 June 2005 16:41
	Re: Is 5 valve better than 4 valve?	Blown86	Mon, 06 June 2005 23:30
	Re: Is 5 valve better than 4 valve?	Corona RT142	Mon, 06 June 2005 23:31
	Re: Is 5 valve better than 4 valve?	adamaw11	Tue, 07 June 2005 01:26
	Re: Is 5 valve better than 4 valve?	Bill Sherwood	Tue, 07 June 2005 02:54
	Re: Is 5 valve better than 4 valve?	shinybluesteel	Tue, 07 June 2005 03:03
	Re: Is 5 valve better than 4 valve?	lumpy	Tue, 07 June 2005 05:52
	Re: Is 5 valve better than 4 valve?	oldcorollas	Fri, 10 June 2005 01:50
	Re: Is 5 valve better than 4 valve?	TheStitt	Wed, 08 June 2005 06:24
	Re: Is 5 valve better than 4 valve?	510rob	Thu, 09 June 2005 19:48
	Re: Is 5 valve better than 4 valve?	takai	Fri, 10 June 2005 04:23
	Re: Is 5 valve better than 4 valve?	oldcorollas	Fri, 10 June 2005 04:57
	Re: Is 5 valve better than 4 valve?	Mr Revhead	Fri, 10 June 2005 05:49
	Re: Is 5 valve better than 4 valve?	oldcorollas	Fri, 10 June 2005 06:21
	Re: Is 5 valve better than 4 valve?	Mr Revhead	Fri, 10 June 2005 07:02
	Re: Is 5 valve better than 4 valve?	oldcorollas	Fri, 10 June 2005 07:24

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