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Toymods » Tech & Conversions » 4agze twin coil ----> individual coils over plugs Show: Today's Posts  :: Show Polls  Email to friend

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mic* Regular Location: Brisbane Registered: July 2005	Re: 4agze twin coil ----> individual coils over plugs Wed, 07 December 2005 01:07 chuckster, i wana understand this "coil on spark" or waste spark set up that toyota uses coz i hadn seen it till i got my 1G. I thought that each coil essentially fed the stepped up voltage to two spark plugs. Thus giving a simultaneous spark on two cylinders, one on compression stroke, one on exhaust stroke. But if this is the right understanding, then i would think it wouldn matter if you split the signal before the coils. It would just be like re-arranging the order of a mathematical equation but still getting the same answer. Each coil would only get half the current, but it would be stepping it up for half the load. The question that springs to mind next, is how efficient is a coil in the first place? Meaning, what % of igniter signal actually gets converted to a spark and not lost to heat etc. Coz obviously having twice as many means double the loss due any slight in-efficiencies. And furthermore, how does different current levels effect the efficiency of the chosen coil. As long as there is minimal difference in efficiency i THINK it should be fine... [Report message to a moderator]

	Subject	Poster	Date
	4agze twin coil ----> individual coils over plugs	TauhuTauhu	Tue, 06 December 2005 13:12
	Re: 4agze twin coil ----> individual coils over plugs	thechuckster	Tue, 06 December 2005 15:23
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Tue, 06 December 2005 15:28
	Re: 4agze twin coil ----> individual coils over plugs	thechuckster	Tue, 06 December 2005 15:34
	Re: 4agze twin coil ----> individual coils over plugs	M.W.P.	Wed, 07 December 2005 04:56
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Tue, 06 December 2005 15:38
	Re: 4agze twin coil ----> individual coils over plugs	-gt-	Tue, 06 December 2005 23:58
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Wed, 07 December 2005 00:52
	Re: 4agze twin coil ----> individual coils over plugs	Cool1	Wed, 07 December 2005 00:53
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Wed, 07 December 2005 01:07
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Wed, 07 December 2005 03:13
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Wed, 07 December 2005 04:18
	Re: 4agze twin coil ----> individual coils over plugs	thechuckster	Wed, 07 December 2005 12:55
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Wed, 07 December 2005 22:54
	Re: 4agze twin coil ----> individual coils over plugs	mrshin	Wed, 07 December 2005 04:46
	Re: 4agze twin coil ----> individual coils over plugs	b1gb3n	Wed, 07 December 2005 05:54
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Wed, 07 December 2005 06:11
	Re: 4agze twin coil ----> individual coils over plugs	b1gb3n	Wed, 07 December 2005 06:47
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Wed, 07 December 2005 08:15
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Wed, 07 December 2005 13:12
	Re: 4agze twin coil ----> individual coils over plugs	thechuckster	Wed, 07 December 2005 13:37
	Re: 4agze twin coil ----> individual coils over plugs	Henn	Thu, 08 December 2005 03:01
	Re: 4agze twin coil ----> individual coils over plugs	TauhuTauhu	Thu, 08 December 2005 04:40
	Re: 4agze twin coil ----> individual coils over plugs	thechuckster	Thu, 08 December 2005 05:36
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Thu, 08 December 2005 07:42
	Re: 4agze twin coil ----> individual coils over plugs	M.W.P.	Thu, 08 December 2005 07:53
	Re: 4agze twin coil ----> individual coils over plugs	mic*	Fri, 09 December 2005 02:04
	Re: 4agze twin coil ----> individual coils over plugs	M.W.P.	Fri, 09 December 2005 23:19

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