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Posted

.. what do you do about the electronic ignition? i'm still not quite sure whether to go for Jenvey's or Weber carbs.. The carb solution is much simpler as you avoid all the swirl pots, high pressure pump, return pipes, extra wiring loom and what not, but the fact that you still have to run some form of ECU for the lack of distributor bugs me as it kind of beats the whole purpose.

 

So question is, what do you guys use as an ECU when running carbs on a Zetec?

 

 

edit: and if you could put up any pictures and part numbers please :roll::thumbsup:

Posted

seeing as you only need to control the spark when running carbs you only need an ignition only ECU several are availible, such as megajolt and mega squirt etc and are much cheaper than the ones that also control fueling

Posted
Mine runs on weber alpha

 

i was considering this, are you running the whole kit including carbs or just the ecu? and what sort of bhp are you getting?

 

https://www.burtonpower.com/product_mai ... =WEBK97017

Weber%20Alpha%20ECU.jpg

 

https://www.burtonpower.com/product_mai ... =WEBK99001

WEBK99001%20Weber%20Aplha%20Carb%20Kit.jpg

 

I'll tell you what i know as it came with the car,it was the whole kit with with throttle pot.

I'm running an 1800 for time being,with new race crank and some piper cams,said to be running....cough.......180bhp.

Posted
I'll tell you what i know as it came with the car,it was the whole kit with with throttle pot.

I'm running an 1800 for time being,with new race crank and some piper cams,said to be running....cough.......180bhp.

 

I was aiming for the 200bhp mark, with throttle bodies, a ported head set of fast road kent cams and stainless exhaust.

 

However I am starting to like the carb option as it can be as good and gets rid of all the extra equipment that comes with throttle bodies.

 

Does that weber ecu have a tachometer output? and does it have any other gadgets such as shift light?

 

edit: mine is a 2.0L

Posted
I'll tell you what i know as it came with the car,it was the whole kit with with throttle pot.

I'm running an 1800 for time being,with new race crank and some piper cams,said to be running....cough.......180bhp.

 

I was aiming for the 200bhp mark, with throttle bodies, a ported head set of fast road kent cams and stainless exhaust.

 

However I am starting to like the carb option as it can be as good and gets rid of all the extra equipment that comes with throttle bodies.

 

Does that weber ecu have a tachometer output? and does it have any other gadgets such as shift light?

 

edit: mine is a 2.0L

 

Tacho,yes,shift light dont know,only driven half mile and parked up to get on road,ex race car.

carbs and throttle bodies will give same power,no matter what anyone says,more work/money in setting them up as you need to spend fortunes getting all mapping sorted.

Posted

Tacho,yes,shift light dont know,only driven half mile and parked up to get on road,ex race car.

carbs and throttle bodies will give same power,no matter what anyone says,more work/money in setting them up as you need to spend fortunes getting all mapping sorted.

 

You hit the nail on the head there! I don't think it's worth going down the throttle body lane in my case since it will be a road car. At the end of the day you'll get similar power figures maybe the carbs being less efficient, but i'm not really considering fuel economy as a factor since it will not be used as a daily.

 

Thanks a lot for the help oliwally :thumbsup:

Posted

Tacho,yes,shift light dont know,only driven half mile and parked up to get on road,ex race car.

carbs and throttle bodies will give same power,no matter what anyone says,more work/money in setting them up as you need to spend fortunes getting all mapping sorted.

 

You hit the nail on the head there! I don't think it's worth going down the throttle body lane in my case since it will be a road car. At the end of the day you'll get similar power figures maybe the carbs being less efficient, but i'm not really considering fuel economy as a factor since it will not be used as a daily.

 

Thanks a lot for the help oliwally :thumbsup:

 

Throttle bodies will be less effiecent if theyre not mapped properly,flat spots,hessitations,poor starting.

carbs,by their very design with a jet and vacuum will be able to cope a lot better.

Posted
seeing as you only need to control the spark when running carbs you only need an ignition only ECU several are availible, such as megajolt and mega squirt etc and are much cheaper than the ones that also control fueling

 

megajolt is for carbs

megasquirt is for injection

:thumbsup:

Posted

i am using Suzuki GSXR 750 38mm carbs (not bodies) main jets drilled out to 1.8mm , home made inlet manifold and a megajolt kit. this is a real budget option cost about 150 quid all in but seems to work fine :thumbsup:

Posted
I use weber alpha, it has the ability to run a tacho and a shift light yes :thumbsup:

 

thanks mk1mexico thats perfect, can i see a picture of your engine bay?

Posted

that looks stunning, right at home. what sort of power does it run, if you dont mind my asking?

 

i deliberate long over the duratec vs XE, but cost stopped my going for the duratec.

Posted

a friend of mine and my dad's lent me a dellorto to check for fitment, and it's tight!! i have only about 5cm left to the side of the engine bay, and i have to put the trumpets there!

 

p1110036.jpg

p1110041p.jpg

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p1110038.jpg

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