A 12v resistor coil actually runs on about 8.6v, while the original Ford 6v coils have an ignition resistor and run on around 4.6v. Running a resistor coil without a resistor will burn out the points. Running a 6v coil in a 12v resistor system will give too much voltage at the points and burn them out quickly, and may even damage the coil. A points distributor will work fine irrespective of the operating voltage, provided the correct coil is used to prevent burnt points, ie 12v w/o resistor, 12v Res coil w/ resistor, 6v coil w/o resistor or 6v Res coil w/ resistor. Mention was made above to the coil adapter because that arrangement will give a wider range of coil choices.
There a couple of electronic conversions for the "Crab" style distributor (as well as whole new electronic dizzys), but I'm not aware of any for the "Diver's Helmet" style. The electronic units only work on 12v (not 6v), but there are also Hall Effect and LED triggered units that COULD be made to work on 6v if you were really keen.
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03-02-09, 16:13
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