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By Richard - 2 days ago
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I have a vintage Mallory coil that says for transistor ignition. What could be the difference. Can I use it on a points distributor with or without a ballistic resister.
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By FORD DEARBORN - 2 days ago
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If using that coil with points you will need a ballast resistor otherwise the current will be too high for the breaker points. First measure the coil primary and see what it is. I'm guessing that being for a transistor box the coil primary resistance is probably lower than that of a standard coil which in that case would produce even higher current. Very generally, in a 12 volt point system, the coil would be about 1.5 ohms, another 1.5 ohms for the ballast and that's what the points can live with. Hope this helps....
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By Richard - 2 days ago
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Thanks, sounds like a plan
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