Re: 6 Volt to 12 Volt Conversion for 1939 Super 8

Posted by Jim Mayfield On 2013/3/2 15:13:46
I am working to change my 1938 to 12 volts mainly because I want to add air conditioning (in Texas cool air is a good thing). I have the in-cab air conditioner/heater unit mounted. My instruments have been redone to be 12v and to include a voltmeter in place of an amp gauge.

I need to figure out how the shutters should operate. When the air conditioner wants cool air, I want the shutters to open. My plan is to put an actuator in the mechanical connection to the shutters to pull them open when the A/C needs air but the engine does not.

All of my wires needed to be replaced. At first I planned to keep the 6v positive ground, but I am working now on 12v negative ground. I have a Delco alternator, but I am figuring out how whether to use a 5/8" belt or a 1/2" belt. I would like to add a supercharger. The old VS57 Studebaker type superchargers used a 5/8" belt, I think. New superchargers use 1/2".

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