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The coil should be hooked up the same, AFAIK, but be a 12V unit. The starter is gonna spin considerably faster on a 12V battery. Dad did this to a tractor years ago. It's a hoot. Starts real easy with that "high-torque" starter!

Not sure if the generator is the same...



I don't know whether the coil will be hooked up the same or not---isn't the 6V cars postitive ground?

You need to get a modern coil/ resistor for 12V, or run a complete 12V electronic setup, complete with matching coil. The coil needs to be hooked up to match ground polarity, IE neg ground 12V==coil neg to points

You can run the 6V starter

However, if you use a modern coil/ resistor combo, virtually ALL 12V cars had a resistor bypass circuit. This is done specifically for a hotter starting spark. You might have to add a relay or Ford type solenoid--several ways to do this--to provide "resistor bypass" during start

Wiper motor, radio, gauges, heater motor, all need dropping resistors. So far as gauges I don't remember the name, but theres a fairly high--buck regulator unit that will make these work correctly.

RESISTORS need to be calculated as per load. In other words, the same value resistor that runs the wipers will probably barely turn the heater blower

You'll need a 12 generator and matching regulator, or change to an alternator. By the way, at least some of the older wye wound Delco alternators could be "tapped" at the wye in the stator winding and brought out to provide 6V for lower power stuff like the temp/ fuel gauge.

I don't know if any of those old girls had overdrives, if so you'll need a resistor to drop the solenoid current.

OF cours change all the light bulbs