Chevys during that time period were 6 volt negative ground. If it was upgraded to 12 volts, there should be either a ballast resister feeding the coil or a coil that does not need a resister. The coil should be marked either 6 or 12 volts and if a resister is needed.


Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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