Homemade CDI ignition

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Hi. I want a CDI circuit for a 4-cylinder engine with a separate combustion ignition coil.
Please send and guide the necessary circuitry for this by e-mail.
Tell the electrical parts you need.
Thank You
 
samiyousef100 said:
Hi. I want a CDI circuit for a 4-cylinder engine with a separate combustion ignition coil.
Please send and guide the necessary circuitry for this by e-mail.
Tell the electrical parts you need.
Thank You
Click to expand...

Email sent. Let me know how it works out.
 
hi.i"m surry.
I want a CDI map for my car.
Ignition is 2 coils with 2 separate signals. My machine is 4 cylinders.

my email is
sami email address deleted by Moderator
tanks

Displaying email addresses in open forum is a bad idea, an invitation to spammers. - Moderator
 
Last edited by a moderator:
samiyousef100 said:
hi.i"m surry.
I want a CDI map for my car.
Ignition is 2 coils with 2 separate signals. My machine is 4 cylinders.
Click to expand...

a 4cyl engine would use a single coil and a distributor. ignition timing would use a 4 lobed cam or a 4 tooth wheel and magnetic pickup.
 
unclejed613 said:
a 4cyl engine would use a single coil and a distributor. ignition timing would use a 4 lobed cam or a 4 tooth wheel and magnetic pickup.
Click to expand...

Not if it is 'waste spark'. But it would need a four lobe cam or four hall sensors if crank triggered.
 
First one I'm aware of is Harley Davidson's. They used waste spark but the competition, Indian used a distributor.
 
samiyousef100 said:
My car work by hall sensor.
I want Circuit dc cdi from my car
Click to expand...
You want one, it is easiest to buy one. Especially one made specifically for your specific car.

It is impossible to know the timing advance for high speed (or what is considered high speed on your car, or how much to retard ignition for cold start, buy one.
 
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