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Fiat coupe 16VT coil on plug?
#1612223
27/11/2017 07:01
27/11/2017 07:01
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Shotdown
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Shotdown
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Hello does anyone knows a good alternativ for coil on plug for the 16VT ?
i have heard about conersion for Subaru impreza coil on plugs and about coupe 20VT conversion
didnt find anything on the net which some one tells about what it needs.
does anyone try or done it?
thanks.
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612230
27/11/2017 10:13
27/11/2017 10:13
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Joined: Dec 2005
Posts: 12,294 Sandhurst
Begbie
Ex El Presidente
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Ex El Presidente
I AM a Coop
Joined: Dec 2005
Posts: 12,294
Sandhurst
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The question is why do you want to do this? If you're running standard ECU, then this is going to give you all sorts of headaches.
Your car is Usain Bolt with wellies
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612289
28/11/2017 07:48
28/11/2017 07:48
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well i dont like to oem ignition system ecu uses 2 ignition modules to feed 2 ignition coils which gives spark to 4 leads.
i would like to just convert the modules to work directly with coil of plug.
i know there is coupe's running 20VT coils or Subaru impreza coils with some modification to work with standart ECU
the car is heavilly modified Forged engine with GTX2871
i have an option for a stand alone ECU which connected to the original loom
and i think the stock igniotion system will not do the job
too much wires and parts to give spark
i have scheme of the ignition modules and coils and on the paper it looks "EASY"
for example the 20VT coils or most of coils uses 3 pin connector it has (+) (-) and (Signal)
i guess the (+) and (-) is kinda easy to work with
and the signal wire should get feed from modules which by the scheme its pin (1) in each module.
but i will not do anything untill some one can confirm.
Last edited by Shotdown; 28/11/2017 07:52.
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612307
28/11/2017 12:12
28/11/2017 12:12
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Joined: Dec 2005
Posts: 12,294 Sandhurst
Begbie
Ex El Presidente
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Ex El Presidente
I AM a Coop
Joined: Dec 2005
Posts: 12,294
Sandhurst
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Well, I'm running 400bhp / 380lbs+ with a GT3076 and run a ford coil pack on standalone ECU and have 4 leads. No coil on plug and I have no issues with my ignition setup, so don't think it is necessary for your setup either
Your car is Usain Bolt with wellies
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612308
28/11/2017 12:12
28/11/2017 12:12
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Joined: Nov 2006
Posts: 1,580 Melbourne, Australia
Scuderia
My life on the forum
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My life on the forum
Joined: Nov 2006
Posts: 1,580
Melbourne, Australia
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Waste spark on a 4 cylinder is a solid setup. If you want coil on plug it shouldn't be that hard to configure if you're happy to keep waste spark, just wire up 2 circuits to each driver instead of one.
Last edited by Scuderia; 28/11/2017 12:20.
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612309
28/11/2017 12:38
28/11/2017 12:38
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ok i dont have any problem stay's at the moment with wasted spark
i just want to take those coils and spark leads away.
and im pretty sure the standart ignition could handle 400bhp.
i just dont like the way the plugs get spark
too much parts and connectors are in to it for me.
scuderia from youre reply i understand you have any knowledge or you done this mode?
i guess i can use the 2 connectors of the coil's feed to connect coils on plug?
i mean each coil has 2 electric wires connected to him
one of them is signal which i guess if i touch it with a bulb tester i can see it flicker and other one is (-) or (+) not sure about it since the coils are ground'd to metal braket which touch the engine so maybe this is their (-)
so i'll just have to use the 2 wires to feed double coils on plug?
and the same with the 2nd coil?
its just a guessing
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612526
03/12/2017 07:26
03/12/2017 07:26
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yes im sure most of coupe's using the stock ignition system. as i said above i pretty sure it can hold the power im after. its just that all the system is too "loopie" for me. i mean - ecu wire run to 2 igniotion modules. which they wired to 2 igniotion coils and they connected to igniontion leads. i just wanted the modules to connected directly to the head (coil on plug). i use iridion spark plugs too - 7's and magnacore ignition leads. i know the system work well since i dont have any missfire's or engine is not working smothe if its a big job for gain nothing then i'll leave it as is. but if its not that hard to do i'll prefer go for it, that is why i opend this post to know if there is simple conversion.
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612865
11/12/2017 13:09
11/12/2017 13:09
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i know you are good tuner and done alot of changes over the years with coupe.
in about a monthe i install Motec M48 pro which is plug and play for the oem loom.
i know i need to change crank trigger wheele. usually Lancia thema is the right one to put with their crank sensor and bracket.
so i could go for COP for each cylinder instead wasted spark system. i cant belive wasted spark system and COP system is the same with benefits.
the thing is i still have to use the OEM loom to wire COP so thats kinda the thing here, if anyone has done it to the original loom so he could share info.
i know there isnt actually direct fit here and need some work
but there is some coupe's here in Israel who run's Audi R8 COP directly on the plug without any bolts or rocker cover work, yes.. its a bit higher and the aluminum cover for the plugs and leads cannot be used unless you do some cutting work there and lift it a bit higher with some spacers
but its just a cosmetic issue.
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612922
12/12/2017 13:06
12/12/2017 13:06
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Joined: Feb 2008
Posts: 1,725 London
kj16v
My life on the forum
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My life on the forum
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Posts: 1,725
London
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The main advantage of COP for manufacturers is fewer seperate components to fit, therefore less time = more profit The advantage of COP for performance only applies to very high revving engines; WS fires once per engine revolution, whereas COP only once per every 2 revolutions. On an engine that reaches 10k-12k rpm, WS coils may not have time to fully charge before firing. However, that isn't even close to being an issue on the 99.9999% cars that rev to 7k-8k rpm! You can't fit actual sequentially fired COP to the original loom because it needs 4 seperate control wires; one for each coil. The original loom only has 2, so you two coils would share one control wire and would fire at the same time - which would defeat the purpose of COP!
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Re: Fiat coupe 16VT coil on plug?
[Re: ]
#1612944
13/12/2017 07:57
13/12/2017 07:57
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Ahh yeah i know. thats why i asked if there is anything to do with so no metter what i'll kinda get WS coils even if i install COP? since the original loom cannot be "hacked" to deal 4 single's unless i do whole new loom uff
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