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9n

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brm

03-21-2007 16:32:33




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ihave a 41 9n all aluminum dash serial#30411
i want to convert to 12v can i put 12v points in my 6v dist and then go from there?




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Bruce (VA)

03-21-2007 18:41:39




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 Re: 9n in reply to brm, 03-21-2007 16:32:33  
There is a nice writeup under 'Articles' (on the left) with good advice on converting an N to 12v. The real question, however, is why you would want to do that. From my experience, I've only found two reasons to convert an N to 12v: If you need to run 12v equipment (sprayers, pumps, lights, etc) or you N has poor compression (like a lot less than 90 lbs) and you do not want to rebuild it, then a 12v conversion makes sense. Otherwise, you will likely be trading one set of problems for another. If your N is hard to start in cold weather (or any weather) find out why & fix it! These tractors have low compression, low HP engines and will start just fine on 6v. There is nothing inherently 'wrong' w/ a 12v conversion. The problem is that there are about 6 different ways to convert the tractor to 12v, all of them work, and an infinite number of ways to do it wrong. It's like this..... if you have a basic understanding of tractor mechanics, you can buy a quality kit & do it correctly. But, and here is the #1 issue: the first time you have an electrical problem, you are going to have to explain to everyone trying to help exactly how your tractor is wired & what exact parts you used. The owner of one of the local small tractor repair/parts shops around here refuses to work on electrical problems on 12v conversion tractors that he did not convert himself. As he explained to me, at $50 per hour, tractor owners get mighty hot when they get a $100 bill just for him to find the problem. Most problems we read about w/ 12v conversions are as a result of folks getting in over their heads or buying tractors w/ "Bubba" conversions, and now the new owner is stuck with trying to figure it out. Now, having said all of these good things about 12v conversions, I must declare, for the record, all three of my N's are 6v & they all three start the first time, every time, no matter what the weather. You will find that to be the case with folks who live in a lot of places much colder than VA.

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old

03-21-2007 18:25:42




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 Re: 9n in reply to brm, 03-21-2007 16:32:33  
A set of points are a set of points. Doesn't matter if its 6 volts or 12 volts the points are the same. Now the coil can be differant and if you keep the 6 volt coil you have to do as Bob says



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Bob

03-21-2007 17:22:34




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 Re: 9n in reply to brm, 03-21-2007 16:32:33  
If this question IS for real...

You need to add a "converting resistor" of 1.8 Ohms or so ahead of the original coil or switch to a "12-Volt" coil.



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Dunk

03-21-2007 16:50:25




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 Re: 9n in reply to brm, 03-21-2007 16:32:33  
Just out of curiosity, can you tell me the difference between 12 volt points, and 6 volt points?



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Lance in Brenham, TX

03-21-2007 17:13:21




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 Re: 9n in reply to Dunk, 03-21-2007 16:50:25  
about 6 volts - I couldn't resist



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Dunk

03-21-2007 17:17:12




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 Re: 9n in reply to Lance in Brenham, TX, 03-21-2007 17:13:21  
Yes, I had already thought about that one, Lance..(Good call though)

But do the 12 volt ones cost him twice as much?



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roger '40 9n

03-22-2007 06:28:23




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 Re: 9n in reply to Dunk, 03-21-2007 17:17:12  
"But do the 12 volt ones cost him twice as much?"

Actually they should cost half as much since they have half the current going through them.


Roger in Michigan



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Lance in Brenham, TX

03-21-2007 19:42:53




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 Re: 9n in reply to Dunk, 03-21-2007 17:17:12  
I would be shocked if they did - get it, shocked?



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Curley

03-21-2007 17:03:57




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 Re: 9n in reply to Dunk, 03-21-2007 16:50:25  
Typical sarcastic reply from dunk. Yes you can, there is no difference .



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Dunk

03-21-2007 17:07:56




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 Re: 9n in reply to Curley, 03-21-2007 17:03:57  
Does he not already have 12 volt points in his distributor, Curley?



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Dunk

03-21-2007 17:15:24




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 Re: 9n in reply to Dunk, 03-21-2007 17:07:56  
There could be thangs that I don't know about.

There could also be a salesman trying to rip him off.

I would like to get to the bottom of that.



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Curley

03-21-2007 17:33:14




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 Re: 9n in reply to Dunk, 03-21-2007 17:15:24  
Dunk, you talk a lot but dont say anything. But you do send fine people to other boards.



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Dunk

03-21-2007 17:39:21




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 Re: 9n in reply to Curley, 03-21-2007 17:33:14  
Will you be one?



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Realtech

03-21-2007 18:10:33




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 Re: 9n in reply to Dunk, 03-21-2007 17:39:21  
How do you set 6 volt points compaired to 12 volt points. The same gap distance? And what about the timing, advance or retard? And would 6 volt points run hotter? Curious minds want to know..



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Dell (WA)

03-21-2007 20:47:01




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 Re: 9n in reply to Realtech, 03-21-2007 18:10:33  
A Realtech would know those questions from AutoElectric 101.

Points gap is a function of coil design, engine operating rpms, and distributor cam profile. Has 'nuttin' to do with battery volts. Therefore 6 or 12-volts, points gap per mfr specs. I always set for max gap spec so as the rubbing block wears, guess what? I don't haffta re-set the points gap.

Ignition timing is a function of engine rpms and compression rating, gasoline octane, and camshaft specifications (timing) Has 'nuttin' to do with battery volts. Setter to mfr specs unless you have pre-ignition (pinging) which is a function of gasoline octane and engine compression.

Would 6-volt points run hotter? What do you think?..... ...respectfully, Dell, yer self-appointed sparkie-meister

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Lance in Brenham, TX

03-21-2007 21:10:29




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 Re: 9n in reply to Dell (WA), 03-21-2007 20:47:01  
With my electronic ignition, I don't ever have to worry about resetting the gap 'cause the rubbing block wore down. hee hee



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A. Bohemian

03-22-2007 14:20:03




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 D'oh! in reply to Lance in Brenham, TX, 03-21-2007 21:10:29  
This thread reminds me of the following dialog, from the episode of the Simpsons where Homer joins a traveling freak show with his act, getting hit in the stomach by a cannon ball:

FIRST TEENAGER: Oh, look, it's that cannon ball dude. HE'S cool.

SECOND TEENAGER: Dude, are you being sarcastic?

FIRST TEENAGER (downcast): I don't know, I can't even tell anymore...



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