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10-28-2012, 05:21 AM | #1 |
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Location: norway
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High Torque Starter 12v to Ford Model A
Hey, i have one old ford 1929 pickup, and i need 12v starter.
my engine is converted to 12v. so I searched for a new starter motor to a ford which is 12v. and then I found this starter at autoelectricsupplies.co.uk this is the information about the starter. Ford Model A High Torque Starter Motor to fit Ford Model A from 1920's/30's. Available in either 12V or 6V. Spigot diameter 95mm, gear diameter 40mm.
has anyone tested this starter? or do you see that this is not going to fit. Regards, ford model a boy from norway.
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10-28-2012, 07:52 AM | #2 |
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Re: High Torque Starter 12v to Ford Model A
You can use the stock 6 volt starter on the 12 volts. It won't hurt it, it'll just spin twice as fast
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10-28-2012, 08:32 AM | #3 |
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Re: High Torque Starter 12v to Ford Model A
Logan is right on. I've been running my roadster on 12 volts with the original starter and generator for years with no problem. As long as you leave it positive ground, the biggest thing is just installing a twelve volt battery and either useing a 3.0 ohm coil or a ballast resistor on the six volt coil. If you chose to run negative ground, you will need to reverse the wires behind the ammeter and on the coil.
The original starter is very robust , It will pull the car along in high gear much like a golf cart, even with six volts, you just can't go very far. |
10-28-2012, 08:53 AM | #4 | |
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Re: High Torque Starter 12v to Ford Model A
Quote:
Changing the starter field wiring from two parallel coils to series is not a big deal, and you'll still end up with way more power. After this conversion you will draw a bit over 150A @ 12V, giving you 1800 watts, about 2.4 horsepower. That's way more than those spendy, fancy gear drive converts. You can get away with using a 6V starter on 12V if you use a 4' x 6ga lead wire to the starter. Your draw will be about 165A, ~2.6 hp. You'll have to fold up and wire-tie the excess. The disadvantage here is you can only crank 20-30 seconds. That 6ga wire will get hot! Of course, that's not a real problem 'cause A's are known for starting right up on the first crank. |
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10-28-2012, 09:03 AM | #5 |
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Re: High Torque Starter 12v to Ford Model A
I think what Purdy was saying that it works well.
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10-28-2012, 09:03 AM | #6 |
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Re: High Torque Starter 12v to Ford Model A
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I drive mine weekly and have has O problems with 12 volts to the 6 volt starter. Its been this way for 4+ years now. My dads willys jeep has been using 12 volts on his 6 volt starter for over 30 years I have even driven my car into the shop on the starter in a jam |
10-28-2012, 10:27 AM | #7 |
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Re: High Torque Starter 12v to Ford Model A
Using 12 volts on the 6 volt starter will eventually damage the starter drive. The starter drive slams into the ring gear at a greater force with 12 volts. Other than that, it will work fine, negative or positive ground, as the starter is series wound, and will only turn one way, regardless of polarity.
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10-28-2012, 12:43 PM | #8 |
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Re: High Torque Starter 12v to Ford Model A
I've been running 12 volts on the stock starter since the 50's, guess I'm too dumb to know better, but have had no problems with it. Having said that, starters like you show are available over here too, and work well.
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10-28-2012, 12:53 PM | #9 |
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Re: High Torque Starter 12v to Ford Model A
To answer the ORIGINAL question.
Gear drive starters work very well on "A's" or early Ford V8's. I use them on all the engines I build. They are around $100 over here. |
10-28-2012, 02:15 PM | #10 |
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Re: High Torque Starter 12v to Ford Model A
With the gear drive starter do you have to do anything to the flywheel gear since
the starter gear is coming in from the other side?? Bob |
10-28-2012, 02:34 PM | #11 |
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Re: High Torque Starter 12v to Ford Model A
No, the gear on the starter is beveled.
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10-29-2012, 01:22 PM | #12 |
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Re: High Torque Starter 12v to Ford Model A
Does this type of starter stay engaged at all times? There does not seem to be much room on the saft for the gear to move in or out.
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10-29-2012, 01:26 PM | #13 |
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Re: High Torque Starter 12v to Ford Model A
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10-29-2012, 04:45 PM | #14 |
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Re: High Torque Starter 12v to Ford Model A
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10-29-2012, 11:30 PM | #15 |
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Re: High Torque Starter 12v to Ford Model A
I've been using 12volts on 6 volt starters for years with an old bendix spring bolted
to the post on the starter and the battery cable on the other end, it acts like a big restistor and gives about 8 volts to the starter makes em start real well and doesn't beat up the starter. |
11-22-2012, 11:16 AM | #16 |
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Re: High Torque Starter 12v to Ford Model A
I got my ford starter yesterday.
I made a movie of how it fit/work. I have not tested it. youtube video. https://www.youtube.com/watch?v=B1QSlwaUm3I
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11-22-2012, 01:42 PM | #17 | |
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Re: High Torque Starter 12v to Ford Model A
Quote:
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11-22-2012, 01:47 PM | #18 |
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Re: High Torque Starter 12v to Ford Model A
That is what I was saying. I just couldn't resist pointing out how the original generator also works well on 12 volts and how to set it up. The starter doesn't care whether it is hooked up positive or negative ground. If the original generator is hooked up positive ground, it will run 12 volt with no modification and all of the original wireing will work without any modification.
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11-22-2012, 02:41 PM | #19 |
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Re: High Torque Starter 12v to Ford Model A
I am a little confused (as usual), the video shows the solenoid action (by hand) will push the drive into the unbeveled side of the ring gear. The bendix on the Model A starter will pull the drive gear back to the beveled teeth on the ring gear. Would it not be smart to reverse the ring gear on the flywheel?
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11-22-2012, 02:52 PM | #20 | |
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Re: High Torque Starter 12v to Ford Model A
Quote:
starter has warranty I think.
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