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#1
03-20-2006, 03:13 PM
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ignition coil?
What is the difference between a 6 volt coil and a 12 volt ignition coil? I am building a model gasoline engine and it calls for a standard 6 volt coil but 6 volt is hard to find. The guy in the parts store told me that there was a magnetic switch in the coil. That is news to me. Any reason why a12 volt coil would not work?
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#2
03-20-2006, 05:04 PM
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Re: ignition coil?
The simplest answer is that a 12v coil is made for 12v systems only and a 6v is made for 6v systems only. If you're having trouble locating a 6v coil possibly look and see what you can find for ignition coils for riding lawn mowers as they usually run on 6v systems.
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#3
03-20-2006, 07:56 PM
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Re: ignition coil?
I believe that the Model A was 6volt....
I searched froogle and this is the first thing that came back: http://store.ford8ntractorparts.com/igncoil6v.html
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#4
03-23-2006, 04:15 PM
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Re: ignition coil?
most fords up to the mid 50's were 6 volt
__________________
Dr. Disque - Current cars: 2008 BMW 135i M-Sport 2011 Mazda2 Touring Past cars: 2007 Mazda 6S 5-door MT 1999 Ford Taurus SE Duratec
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#5
03-26-2006, 10:28 PM
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Re: ignition coil?
The traditional 12 volt coil ignition system does not use a full 12 volts to the ignition coil. There is almost always a ballast resistor or a resistor wire built into the coil wire to drop the voltage to approx. 9 volts. Often, using a full 12 volts on the coil may damage distributor components.
A 12 volt coil will work fine in a 6 volt system; I have done just that on several engines.
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