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Joshstix Forums Junkie Toymods Vice President Location: Sydney Registered: May 2002	Re: Is 5 valve better than 4 valve? Sun, 29 May 2005 02:26 I don't really want to buy into this debate but I'll add some info about the F1 stuff. Ferrari sourced some engineers from Honda during the years when people actually tried to use 5V angines in F1 to do analysis on the 4V vs 5V. The conclusion they came to was that the 5V made more power than the 4V however the amount of fuel used by the 5V compared to the 4V was too much higher to make it worthwhile. The efficiency in terms of power produced per mass of fuel was lower in the 5V engine. The additional fuel required to be carried by a car with 5V made it slower in a full race simulation than a 4V car. Is this relevant at all to a performance street car? That's up to you. I'll stick with engines with a little more swept volume than 4A's so I'm not overly concerned about this discussion. [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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