Coil Issues
- Thread starter Red rider
- Start date
J Franklin
Well-known member
There is something going on that is not correct. Time for some investigation.
rotorwrench
Well-known member
A lot depends on what the primary coil resistance is and what voltage the cars electrical system has. There is also a need to know if it's a standard points breaker type ignition or an electronic ignition.
6-volt systems can use a 1.5 Ohm primary type coil with no ballast. On 12-volts, either a ballast resistor or a 3-Ohm coil should be used. I still use the Echlin brand coils. Some prefer Bosch coils. Electronic ignitions should use a type of coil that is recommended by the ignition system manufacturer unless testing would prove another type.
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6-volt systems can use a 1.5 Ohm primary type coil with no ballast. On 12-volts, either a ballast resistor or a 3-Ohm coil should be used. I still use the Echlin brand coils. Some prefer Bosch coils. Electronic ignitions should use a type of coil that is recommended by the ignition system manufacturer unless testing would prove another type.
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