Quote:
Originally Posted by motorman8467
Thanks for the info. Right now I am converting a 55 Y block 272 to 12 volts. As I remember, these distributors operate at about 7.5 volts by using either a resistance wire, or, a ballast resistor. I want to use a ballast resistor, but can't remember which wire it goes on. The engine is out of a 55 F-150, but I only have the engine, no body. Plan to put in something else later. Any help would be appreiated.
James
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It goes on the primary wire that goes from the ignition switch to the coil. Also, the coil may need the primary wires switched. The primary terminals are marked "+" and "-". On a negative ground system the negative or "-" terminal goes to the distributor. On a positive ground system the "+" terminal goes to the distributor.