Quote:
Originally Posted by Crankster
No there weren't any early Fords with a 12 volt supply, but that really isn't a factor. When Ford did change to 12 volts, they used an ignition coil with an approximately 1.4 ohm primary winding and a divider network utilizing an external ballast of approx 1.5 ohms that only switched in after engine start. See where I'm goin' with that?
A 3 ohm ignition coil could in theory have more difficult cold starts, or possibly when flooded. Ford set up their 12 volt ignitions the way the did for a reason, all cars and trucks from 1957 to 1974 basically. Many other makes and models did exactly the same thing.
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In theory it could, but it also introduces another part that can be prone to failure.