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4agte Forums Junkie Location: Toronto, Downtown Registered: September 2004	Re: Aftermarket ECU legalities Tue, 07 June 2005 11:43 Fattony wrote on Tue, 07 June 2005 20:54 Chris Davey: I might be sayin I COME FROM VICTORIA soon aswell. no_tofu_speed: Sure you can put a 1uz in a ke30 here if you wish, but the problem is you still have to prove emission compliance with an aftermarket computer and that is $$$$ in this state. Though i can speak for brands like motec as i have had no exprience with them, but i happen to have an ems in my car and i can tell you that they do not run closed loop. They do use a ego sensor, but this is used to tell you 1. air fuel ratios and 2. it has a function called autotune, this is the process by where you input your desired air fuel ratio on the dyno, run through your load and throttle points for the ecu and it automatically tunes the fuel maps to suit your desired air fuel ratio. This is done on the dyno and not on the street and it is a function only used to assist in the tunning of fuel maps. I know Autronic also uses this function also but i think the process of how it works is a little different to EMS, but as i dont have enough expirience with Autronic i cant comment if they have a facility to run closed loop (i.e adjust a/f ratios via reading output voltage of a ego sensor, convert that to a a/f reading and then tune the computers fuel output to run a desired a/f ratio which in most cases is 14.7:1, this process is done LIVE via the ecu while the car is driving to meet all different conditions) whereas other ecus have the ability to tune a desired A/F ratio using an ego sensor but once this tune is done once, its not able to be changed. an ems stinger or ems 8860 [Updated on: Tue, 07 June 2005 11:44] [Report message to a moderator]

	Subject	Poster	Date
	Aftermarket ECU legalities	no_tofu_speed	Mon, 06 June 2005 11:50
	Re: Aftermarket ECU legalities	justcallmefrank	Mon, 06 June 2005 11:54
	Re: Aftermarket ECU legalities	4agte	Mon, 06 June 2005 12:09
	Re: Aftermarket ECU legalities	Merudo	Tue, 07 June 2005 00:19
	Re: Aftermarket ECU legalities	EMP-2TG	Mon, 06 June 2005 12:08
	Re: Aftermarket ECU legalities	justcallmefrank	Mon, 06 June 2005 15:03
	Re: Aftermarket ECU legalities	4agte	Mon, 06 June 2005 21:44
	Re: Aftermarket ECU legalities	justcallmefrank	Mon, 06 June 2005 23:54
	Re: Aftermarket ECU legalities	Fattony	Tue, 07 June 2005 00:20
	Re: Aftermarket ECU legalities	4agte	Tue, 07 June 2005 07:40
	Re: Aftermarket ECU legalities	justcallmefrank	Tue, 07 June 2005 00:22
	Re: Aftermarket ECU legalities	Fattony	Tue, 07 June 2005 03:13
	Re: Aftermarket ECU legalities	Chris Davey	Tue, 07 June 2005 04:21
	Re: Aftermarket ECU legalities	no_tofu_speed	Tue, 07 June 2005 05:01
	Re: Aftermarket ECU legalities	justcallmefrank	Tue, 07 June 2005 05:11
	Re: Aftermarket ECU legalities	CrUZsida	Tue, 07 June 2005 06:20
	Re: Aftermarket ECU legalities	CrUZsida	Tue, 07 June 2005 07:49
	Re: Aftermarket ECU legalities	Fattony	Tue, 07 June 2005 10:54
	Re: Aftermarket ECU legalities	4agte	Tue, 07 June 2005 11:43
	Re: Aftermarket ECU legalities	st184 sillycar	Tue, 07 June 2005 11:29
	Re: Aftermarket ECU legalities	RWDboy	Tue, 07 June 2005 13:08
	Re: Aftermarket ECU legalities	sideshow	Tue, 07 June 2005 13:15
	Re: Aftermarket ECU legalities	4agte	Tue, 07 June 2005 13:17
	Re: Aftermarket ECU legalities	draven	Tue, 07 June 2005 13:19
	Re: Aftermarket ECU legalities	Fattony	Wed, 08 June 2005 00:31
	Re: Aftermarket ECU legalities	4agte	Wed, 08 June 2005 02:25
	Re: Aftermarket ECU legalities	Fattony	Wed, 08 June 2005 03:16
	Re: Aftermarket ECU legalities	4agte	Wed, 08 June 2005 03:25
	Re: Aftermarket ECU legalities	trd3sg	Wed, 08 June 2005 04:47
	Re: Aftermarket ECU legalities	fatmr2	Wed, 08 June 2005 04:43
	Re: Aftermarket ECU legalities	trd3sg	Wed, 08 June 2005 04:58
	Re: Aftermarket ECU legalities	fatmr2	Wed, 08 June 2005 05:21
	Re: Aftermarket ECU legalities	trd3sg	Wed, 08 June 2005 06:19
	Re: Aftermarket ECU legalities	4agte	Wed, 08 June 2005 08:05
	Re: Aftermarket ECU legalities	trd3sg	Wed, 08 June 2005 08:41
	Re: Aftermarket ECU legalities	4agte	Wed, 08 June 2005 09:26
	Re: Aftermarket ECU legalities	[TOYROTA]	Wed, 08 June 2005 08:14
	Re: Aftermarket ECU legalities	BOCKA	Wed, 08 June 2005 09:00
	Re: Aftermarket ECU legalities	Fattony	Wed, 08 June 2005 09:25

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