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6V to 12V conversionPosted by bighead on August 19, 2009 at 19:11:18 from (68.102.29.19): Howdy. I have a question that isn't truck or tractor related, but I know that quite a few folks around here have lots of experience with older equipment, so I'd like to ask some opinions here. My brother just bought a 1948 Studebaker Starlight Coupe (Champion). It seems to be in reasonably good mechanical condition, but the wiring is falling apart. It has the old cloth-insulated wire, and the insulation if just falling off all the wires. He is going to have to re-wire most of the car just to make it drivable, and is considering upgrading to a 12V system so that he can use a more reliable (and cheaper) modern alternator, and use modern 12V accessories (like a radio). The wiring and mounting of the alternator should be no problem, but my question is about the starter. Can a 6V starter be safely run on 12V? I've seen it done a few times old cars and tractors, but don't know how well it holds up. The ones I remember (a 1950 Chevy and an old international tractor) both spun the motor pretty fast and made more noise than you'd expect, but seemed to work ok. Is this commonly done, to use an unmodified 6V starter with a converted 12V system? Or is he asking for trouble here? Is there any (relatively) cheap way of converting a 6V starter to work with 12V? Thanks for any advice.
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