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ed_ma61 Forums Junkie Location: Lost in the K hole Registered: May 2002	Curious :: 4age / 7mge intake ports Thu, 31 October 2002 12:49 ok this is an interesting one!! stripped an early (87) and also a late (91) model 7mge head today (and i believe the 4age head is remarkably similar -thats why its in the title) and i noticed an interesting difference in the intake ports b/w the two models.... see image below: this is basically an internal 3D view of the intake and valve ports of the two models of head (1987 and 1991). the red is the dividing wall, as seen inside the intake port, that separates the incomming airflow into (towards) the two valve ports. now the earlier model has a longer divider that ends with its leading edge comming to a sharp finish. the later model's dividing wall is a LOT shorter, with its edge much closer to the valve ports, and it ends much more bluntly. considering that in either case (ie whichever head i chose to build up) i will be doing some tungsten work on the intakes, and the leading edge of either wall will eventually be knifedged... "which intake port separator - the long or short - will give the better result" ??? cheers ed [Report message to a moderator]

	Subject	Poster	Date
	Curious :: 4age / 7mge intake ports	ed_ma61	Thu, 31 October 2002 12:49
	Re: Curious :: 4age / 7mge intake ports	justcallmefrank	Thu, 31 October 2002 13:00
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Thu, 31 October 2002 13:22
	Re: Curious :: 4age / 7mge intake ports	AbaddonGZE	Fri, 01 November 2002 02:50
	Re: Curious :: 4age / 7mge intake ports	BigWorm	Fri, 01 November 2002 06:35
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Fri, 01 November 2002 07:07
	Re: Curious :: 4age / 7mge intake ports	AbaddonGZE	Fri, 01 November 2002 07:22
	Re: Curious :: 4age / 7mge intake ports	fergo308	Fri, 01 November 2002 09:19
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Fri, 01 November 2002 13:56
	Re: Curious :: 4age / 7mge intake ports	IRA11Y	Sat, 02 November 2002 08:39
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Sat, 02 November 2002 14:11
	Re: Curious :: 4age / 7mge intake ports	IRA11Y	Sun, 03 November 2002 03:29
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Sun, 03 November 2002 12:32
	Re: Curious :: 4age / 7mge intake ports	IRA11Y	Mon, 11 November 2002 05:44
	Re: Curious :: 4age / 7mge intake ports	ed_ma61	Mon, 11 November 2002 06:57

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