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matt_84 Forums Junkie Location: Ipswich Registered: October 2003	Possible stupid question regarding valves. Thu, 07 October 2004 14:17 I was wondering why valves have to be round? I mean, multivalve engines are designed to maximise valve/port size aren't they? So why then do valves have to be round, and not simply the shape of the largest possible port that can be made in the head? What is it about round valves that would see engineers rather make an oval piston shape to allow 8 valves per cylinder (as per http://www.billzilla.org/othercars.htm about half way down) rather than making funny shaped ports/valves? Sorry if the answer is obvious, but its late, and the question was bugging me. [Updated on: Thu, 07 October 2004 14:24] [Report message to a moderator]

	Subject	Poster	Date
	Possible stupid question regarding valves.	matt_84	Thu, 07 October 2004 14:17
	Re: Possible stupid question regarding valves.	Jayem	Thu, 07 October 2004 14:22
	Re: Possible stupid question regarding valves.	ViPeR_NiPPleX	Thu, 07 October 2004 14:23
	Re: Possible stupid question regarding valves.	oldcorollas	Thu, 07 October 2004 14:27
	Re: Possible stupid question regarding valves.	ViPeR_NiPPleX	Fri, 08 October 2004 02:18
	Re: Possible stupid question regarding valves.	dingaling	Fri, 08 October 2004 02:28
	Re: Possible stupid question regarding valves.	oldcorollas	Fri, 08 October 2004 03:11
	Re: Possible stupid question regarding valves.	Henn	Thu, 07 October 2004 14:33
	Re: Possible stupid question regarding valves.	gianttomato	Thu, 07 October 2004 15:58
	Re: Possible stupid question regarding valves.	Ben Wilson	Fri, 08 October 2004 03:24
	Re: Possible stupid question regarding valves.	Henn	Fri, 08 October 2004 03:59
	Re: Possible stupid question regarding valves.	spirokeet	Fri, 08 October 2004 05:10
	Re: Possible stupid question regarding valves.	river	Fri, 08 October 2004 12:13
	Re: Possible stupid question regarding valves.	mrshin	Fri, 08 October 2004 13:03
	Re: Possible stupid question regarding valves.	spirokeet	Fri, 08 October 2004 15:37
	Re: Possible stupid question regarding valves.	510rob	Fri, 08 October 2004 17:41
	Re: Possible stupid question regarding valves.	Jayem	Fri, 08 October 2004 22:10

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