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Author	Topic
ddeane Regular Location: PNG Registered: June 2002	Re: 1g-gte max boost????? Thu, 19 February 2004 05:36 Remember we are going through the same tap so area remains constant, velocity is defined by pressure, so velocity remains constant so same result! To improve flow I either have to increase area or increase pressure. If I have the same opening, 55mm (my throttle body) and I pass air through it at 14psi the pump is irrevent, it just needs to achieve 14psi. Now if I was to double the opening the smaller pump may have problems maintaining 14 psi but the bigger pump may still cope. Funny that wots happens on my 1ggteu!!! I get 14psi somewhere after 3000rpm and as I rev further the pressure drops off until about 7200rpm (where the limiter says stop) where it is about 9psi. That is I have moved passed the ability of the actual pump to deliver volume. Therefore the reason I am moving to a larger, more effective single turbo. But at 5000 rpm where they both deliver 14psi and hopefully the air temp is the same I would expect the same performance. In fact as I am not happy to have the same performance I am increasing the diameter of the pipes and the Throttle body. Which makes me think - is other theories are correct - why would we ever think about bigger throttle bodies. Craig [Report message to a moderator]

	Subject	Poster	Date
	1g-gte max boost?????	20valve	Tue, 17 February 2004 23:16
	Re: 1g-gte max boost?????	gold28	Tue, 17 February 2004 23:34
	Re: 1g-gte max boost?????	dcving	Wed, 18 February 2004 07:43
	Re: 1g-gte max boost?????	ddeane	Wed, 18 February 2004 07:51
	Re: 1g-gte max boost?????	7M-Brisbane	Wed, 18 February 2004 14:06
	Re: 1g-gte max boost?????	ddeane	Wed, 18 February 2004 23:55
	Re: 1g-gte max boost?????	Skip	Thu, 19 February 2004 01:42
	Re: 1g-gte max boost?????	Norbie	Thu, 19 February 2004 01:34
	Re: 1g-gte max boost?????	ddeane	Thu, 19 February 2004 05:36
	Re: 1g-gte max boost?????	dispatcher	Thu, 19 February 2004 14:09
	Re: 1g-gte max boost?????	Nark	Sun, 22 February 2004 01:28
	Injectors	Grant	Thu, 19 February 2004 21:16
	Re: 1g-gte max boost?????	Skip	Thu, 19 February 2004 23:52
	Re: 1g-gte max boost?????	ddeane	Fri, 20 February 2004 05:58
	Re: 1g-gte max boost?????	Skip	Fri, 20 February 2004 08:16
	Re: 1g-gte max boost?????	7M-Brisbane	Fri, 20 February 2004 15:19
	Re: 1g-gte max boost?????	20valve	Fri, 20 February 2004 20:44
	Re: 1g-gte max boost?????	ddeane	Sat, 21 February 2004 01:21
	Re: 1g-gte max boost?????	dispatcher	Sat, 21 February 2004 04:47
	Re: 1g-gte max boost?????	Ribbo	Sun, 22 February 2004 06:05

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