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Location:
Perth, W.A
Registered:
October 2003
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bitsa 4agte question (coils/igniter/afm)
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Mon, 29 December 2003 15:31
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Hey guys, I have a 4agze engine, basically just finalising a few things on it now, I need to buy coils and an igniter module for it, but I am pretty confused now with what I actually need, My engine is mr2 bottom end and Levin top, My wiring loom is Map, but my computer is Afm..
i have only seen the map sensored ze's and they had 2 coils with 2 connections on each with 1 igniter, A toyota mechanic friend of mine said that the afm ze's need only 1 coil, and have 1 igniter..
basically what i need to know is, how many coils do i need, and just the one igniter?
its a ae92 (1989) model engine (well.. the top half anyways)
and, did the gze's ever come with afm's? or am i just way of base.. i have a diagram of the ecu which has afm stuff on it but the wiring loom doesnt have any afm stuff on it, but it has map..
and i cant afford a aftermarket ecu.. :/
thanks
-bc
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Location:
MELBOURNE
Registered:
May 2002
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Re: bitsa 4agte question (coils/igniter/afm)
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Mon, 29 December 2003 17:44
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I had a gze with afm and twin coils. I think the early mr2's had afm and a distributor and one coil. Which computer do you have as this will determine which way to go. Hope this helps.
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: bitsa 4agte question (coils/igniter/afm)
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Mon, 29 December 2003 21:02
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 yeah the aw11 gze has a dizzy, single coil and AFM.
i have a friend that bought a Levin 1/2 cut, that had a CAS, twin coil and AFM.
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Location:
Maroubra
Registered:
June 2002
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Re: bitsa 4agte question (coils/igniter/afm)
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Tue, 30 December 2003 00:00
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my gze has dual coils and afm... they are out there
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Location:
Perth, W.A
Registered:
October 2003
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Re: bitsa 4agte question (coils/igniter/afm)
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Tue, 30 December 2003 13:18
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Thanks for the info guys, I had a look for coil packs and an igniter, couldnt find an igniter anywhere (althou coventries didnt stock them they had the price listed at 667$. Ouch!) The mate thats helping me build the car (alot) managed to get intouch with a guy thats gonna swap the cas for a dizzy, So i dont have to get an igniter, and I from there I can just buy a generic Coil pack, Should work out fine 
thanks again
-bc
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Location:
MELBOURNE
Registered:
May 2002
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Re: bitsa 4agte question (coils/igniter/afm)
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Tue, 30 December 2003 18:22
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If your ecu is for twin coils I dont think the setup you have mentioned will work.
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Location:
Montrose, VIC
Registered:
May 2002
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Re: bitsa 4agte question (coils/igniter/afm)
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Tue, 30 December 2003 21:37
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Well I've got a pair of GZE DFI coils if you need em  You should be able to use the 'normal' metal can type igniters that come on many toyotas (e.g. camry's) - an igniter is, after all, just a transistor, and technically only worth a couple of dollars at the most! If your engine has a crank angle sensor and not a dizzy, then you definately need the coils. Only the old scholl (mainly AW11) GZE's used a dizzy, and if your's is MAP sensed, then you definately need multi coils. Also, if it's a small port/higher comp GZE, it's definately a 'later' one!
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Location:
Perth WA
Registered:
December 2003
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Re: bitsa 4agte question (coils/igniter/afm)
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Wed, 07 January 2004 08:41
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mrshin i think we need the coils. im the guy doing all the work.
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Location:
sydney
Registered:
March 2003
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Re: bitsa 4agte question (coils/igniter/afm)
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Wed, 07 January 2004 09:33
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yr best way out of it is to get a matchin electrical set
get an ecu with matchin coils and dizzy
tryin to get bits from here and there u might get wrong parts
and when u come to diagnosis problems u just run round in circles
there are
map ecu 4agze both have twin coil setup
there are 2 types of map ecus one is very hard to find
there is an air flow ecu form a corolla
and an airflow ecu from an mr2
so u need all the matching parts to suit the ecu
i know that some ignitors are not interchangable in toyotas
but u can use a 7mgte ignitor on a twin coil 4agze
i know u say u cant afford an aftermarket ecu
but doin it this way
make sure u get the right parts
otherwise it might cost more in the long run
even a 2nd hand microtech sells for 500 or less
maybe savin for 2 more months and gettin an ecu will save you headaches
just from past experience with conversions
gettin bits from 5 different places always stuffs things round
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Location:
Perth, W.A
Registered:
October 2003
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Re: bitsa 4agte question (coils/igniter/afm)
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Fri, 09 January 2004 01:01
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yer i might have to save up for a little while for a second hand aftermarket computer, just means my cars not gonna run for a little while more now  oh well, at least it will run, I hope :/
thanks for all your help guys,
-bc
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