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oldcorollas Forums Junkie Location: Kita-Ku, Sapporo, Japan Registered: January 2003	Re: what cams for 4AGTE?? big or small duration? Tue, 25 February 2003 03:15 speaking from no turbo experience here, but... if spark is no problem, and you still have boost, then unless you have really bad ports, the duration will not be that much of a problem. the turno should go to higher rpm than a stock engine with same cams as you are forcign the air in.... my long shot would be that the valves are not sealing as well with the high rpm and boost. as i undwerstand it the twin cams have relatively weak springs, for the low valve inertia, and so may not be sealing as well when forced to work harder than in a normal NA motor... what happens above 6000rpm with medium throttle? could they be bouncing?? could there be any whacky ignition timing things happen at high RPM?? noise in the trigger signal perhaps?? a timing light on a dyno would see it... just a few thoughts Cya, Stewart [Report message to a moderator]

	Subject	Poster	Date
	what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 08:59
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Mon, 24 February 2003 11:12
	Re: what cams for 4AGTE?? big or small duration?	FLY PSI	Mon, 24 February 2003 11:27
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 11:37
	Re: what cams for 4AGTE?? big or small duration?	FLY PSI	Mon, 24 February 2003 11:42
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Mon, 24 February 2003 11:42
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 11:56
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Mon, 24 February 2003 12:02
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Mon, 24 February 2003 12:09
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 12:18
	Re: what cams for 4AGTE?? big or small duration?	FLY PSI	Mon, 24 February 2003 12:23
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 12:27
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Mon, 24 February 2003 12:27
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 12:32
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Mon, 24 February 2003 12:33
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Mon, 24 February 2003 12:36
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Mon, 24 February 2003 12:42
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Mon, 24 February 2003 12:48
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Mon, 24 February 2003 13:08
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Mon, 24 February 2003 13:18
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Mon, 24 February 2003 13:29
	Re: what cams for 4AGTE?? big or small duration?	RobertoX	Tue, 25 February 2003 02:46
	Re: what cams for 4AGTE?? big or small duration?	oldcorollas	Tue, 25 February 2003 03:15
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Tue, 25 February 2003 08:37
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Tue, 25 February 2003 09:09
	Re: what cams for 4AGTE?? big or small duration?	feral4mr2	Tue, 25 February 2003 09:57
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Tue, 25 February 2003 10:38
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Tue, 25 February 2003 11:30
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Tue, 25 February 2003 12:34
	Re: what cams for 4AGTE?? big or small duration?	feral4mr2	Tue, 25 February 2003 12:42
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Tue, 25 February 2003 13:46
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Tue, 25 February 2003 13:47
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Tue, 25 February 2003 21:15
	Re: what cams for 4AGTE?? big or small duration?	Sprinta	Wed, 26 February 2003 14:28
	Re: what cams for 4AGTE?? big or small duration?	roger	Thu, 27 February 2003 03:44
	Re: what cams for 4AGTE?? big or small duration?	BigWorm	Thu, 27 February 2003 05:36
	Re: what cams for 4AGTE?? big or small duration?	thetoyman75	Thu, 27 February 2003 23:20
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Fri, 28 February 2003 11:30
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Sat, 01 March 2003 11:57
	Re: what cams for 4AGTE?? big or small duration?	TE72_Turbo	Sat, 01 March 2003 12:32
	Re: what cams for 4AGTE?? big or small duration?	mrshin	Sat, 01 March 2003 12:43

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