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SUPRAGTE Forums Junkie Location: North Sydney Registered: May 2002	Re: How does the 7m-gte boost retard ?? Fri, 29 November 2002 06:38 Ed- the airflow meter is the best way of measuring air going into the engine to add the precise amount of fuel and get the correct A/F ratios. It measures the exact amount of air precisley going into the engine regardless of pressure. Measuring the pressure in the intake manifold doesn't give you how much air is going into the engine. It merely gives you pressure. What happens when you do some porting? The pressure in the intake manifold stays the same but more air is going through the engine. Your theory doesn't work on using the pressure isn't the best. The AFM will take all these mods into account and again measure the precise amount of air going into the engine with the new mods. Again its not a simplistic setup and absolutely nothing to do with BHG's. It's alot better than MAP sensor setups but Toyota has gone to these for costs savings. CR has got something to do with AF ratios. How could it not? There is less volume in the combustion chamber for higher compression engines. Agreed???? Thats why they are higher compression. If you put the same amount of fuel with the less volume you will get richer AF ratios. Its obvious. The engines have the same sweep but lower comp engines have more taken out of the pistons to give the lower comp which inturn gives greater volume in the combustion chamber. I wouldn't be running GE pistons in my GTE but that's by choice because I want to run decent boost(14psi) with alot of ignition timing and get some top end power numbers. If it were such a good idea wouldn't everyone be running higher comp pistons on their turbo engines instead of lower? [Report message to a moderator]

	Subject	Poster	Date
	How does the 7m-gte boost retard ??	ed_ma61	Wed, 27 November 2002 03:51
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Wed, 27 November 2002 04:22
	Re: How does the 7m-gte boost retard ??	inferno	Wed, 27 November 2002 13:36
	Re: How does the 7m-gte boost retard ??	Norbie	Wed, 27 November 2002 04:33
	Re: How does the 7m-gte boost retard ??	scottee78	Wed, 27 November 2002 04:44
	Re: How does the 7m-gte boost retard ??	Norbie	Wed, 27 November 2002 05:27
	Re: How does the 7m-gte boost retard ??	scottee78	Wed, 27 November 2002 05:40
	Re: How does the 7m-gte boost retard ??	ed_ma61	Wed, 27 November 2002 08:24
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Wed, 27 November 2002 13:15
	Re: How does the 7m-gte boost retard ??	ed_ma61	Wed, 27 November 2002 13:41
	Re: How does the 7m-gte boost retard ??	gianttomato	Wed, 27 November 2002 20:52
	Re: How does the 7m-gte boost retard ??	humble	Wed, 27 November 2002 22:20
	Re: How does the 7m-gte boost retard ??	Norbie	Wed, 27 November 2002 22:42
	Re: How does the 7m-gte boost retard ??	gianttomato	Wed, 27 November 2002 23:05
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Thu, 28 November 2002 12:19
	Re: How does the 7m-gte boost retard ??	ed_ma61	Thu, 28 November 2002 13:25
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Fri, 29 November 2002 06:38
	Re: How does the 7m-gte boost retard ??	ed_ma61	Fri, 29 November 2002 12:32
	Re: How does the 7m-gte boost retard ??	justcallmefrank	Sat, 30 November 2002 07:28
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Sun, 01 December 2002 06:13
	Re: How does the 7m-gte boost retard ??	Esteban	Mon, 02 December 2002 06:56
	Re: How does the 7m-gte boost retard ??	SUPRAGTE	Tue, 03 December 2002 02:50
	Re: How does the 7m-gte boost retard ??	1G-GTEFreAk	Thu, 02 January 2003 17:05

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