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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

round coil conversion question for Bob

Author  [Modern View]
INCase

12-04-2013 10:06:17
209.221.240.193



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Hello,
I saw in a post from 2011 some pictures of Bob's round coil conversion.

Where did you get the coil wire post that was mounted on top of the distributor cap?

Are they available or was it homemade from and old coil or distributor cap?

Thanks.




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NoNewParts

12-07-2013 05:05:25
67.240.141.151



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 Re: round coil conversion question for Bob in reply to INCase, 12-04-2013 10:06:17  
The factories that make those square coils

have to get the cases from somewhere before they assemble them.

We need to find out where.

sure would be easier than cleaning out a tar one or drilling an epoxy one.

just for laughs, if you are in a field with no parts handy for a conversion, some wire, tape, an old coppercore coil wire, a soldering gun, and a round coil, will get you back in the game.........

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NOXJohn

12-04-2013 12:33:43
67.235.14.91



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 Re: round coil conversion question for Bob in reply to INCase, 12-04-2013 10:06:17  
You can make your own modified distributor cap and coil wire terminal or if you want to buy one already made up. Check out "Tractor Parts" on the left of this page. It is expensive but look at Distributor Cap Termination Kit 124XTTERM $17.62 and Pertronix Distributor Cap 124XTCP $27.95. Once you see a set of these you will see how easy it would be to make your own. My first conversion I used a modified gutted square can distributor. I found the front tab that contacts the distributor cap started to erode after one year with a 12 volt EI and a hot shot coil. The manufactured parts indicated above show no signs of wear after several years.

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kylemorley

12-05-2013 08:21:28
96.61.88.23



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 Re: round coil conversion question for Bob in reply to NOXJohn, 12-04-2013 12:33:43  
Not sure I understand what that terminal kit does. Seems you would still need either a gutted square coil, or an adaptor plate to replace it.



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NOXJohn

12-05-2013 09:33:22
67.235.14.91



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 Re: round coil conversion question for Bob in reply to kylemorley, 12-05-2013 08:21:28  
I looked again at the kit this site sells and then looked at my tractor. You are correct. There is a plate that goes over the top of the distributor and cap. It is held in place by the screw shown in the kit and the coil wire adapter. If you plan to buy the kit call first and ask about the plate. I think a plate came with the kit I purchased. The cap is drilled and threaded to accept the coil wire adapter. I was wrong in my previous post. This will only work with EI. The screw goes in the hole where the condenser hold down screw is on a points system. A condenser would stick up to high for the plate to fit flat.

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JMOR

12-05-2013 09:45:45
72.181.173.171



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 Re: round coil conversion question for Bob in reply to NOXJohn, 12-05-2013 09:33:22  
Quoting Removed, click Modern View to seeSame solution that Bob used for condenser in his roll-your-own conversion would allow the Pertronix block-off plate to work with points...........just mount condenser outside of distributor as on coil mounting bracket.



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TheOldHokie

12-05-2013 09:39:34
74.110.71.149



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 Re: round coil conversion question for Bob in reply to NOXJohn, 12-05-2013 09:33:22  
Quoting Removed, click Modern View to see

I've been thinking about doing one of those for a while - it's actually quite easy ...

TOH



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JMOR

12-05-2013 08:26:14
72.181.173.171



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 Re: round coil conversion question for Bob in reply to kylemorley, 12-05-2013 08:21:28  
Quoting Removed, click Modern View to seeobservant & correct, Kyle



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INCase

12-04-2013 13:50:17
209.221.240.193



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 Re: round coil conversion question for Bob in reply to NOXJohn, 12-04-2013 12:33:43  
Thanks.

but I can not find either of those part numbers here, google or the pertronix website.



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Royse

12-04-2013 16:07:59
69.36.49.186



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 Re: round coil conversion question for Bob in reply to INCase, 12-04-2013 13:50:17  
Quoting Removed, click Modern View to see

Try this:
Terminal is here
Cap is here



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INCase

12-05-2013 06:27:40
209.221.240.193



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 Re: round coil conversion question for Bob in reply to Royse, 12-04-2013 16:07:59  
Thanks.

the links worked.

Not sure why i couldn't search the PNs you have me.



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NOXJohn

12-05-2013 04:17:44
67.235.14.91



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 Re: round coil conversion question for Bob in reply to Royse, 12-04-2013 16:07:59  
You need both of the above to use a remote mounted round can coil on a front mount setup. Although it says for EI it works just as well using points.



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Bob

12-04-2013 10:12:05
64.255.159.192



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 Re: round coil conversion question for Bob in reply to INCase, 12-04-2013 10:06:17  
I cut them out of spare oddball distributor caps with a small holesaw.

Post back if you go ahead with the conversion... I"m interested to see how it will work out for you!



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INCase

12-04-2013 11:16:17
209.221.240.193



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 Re: round coil conversion question for Bob in reply to Bob, 12-04-2013 10:12:05  
OK. will do,
More questions:
I presume you drilled/tapped the dist cap contact and then simply screwed the wire post & adapter plate to the dist cap?

on the alum plate over the metal distributor.. does the dist. have holes tapped or did you have to drill/tap them?

Have you seen the idea that grand valley tractors has posted on their website (click on "products" tab). Pretty neat but he's not making them yet (economy??) I don't like putting the coil there though. too close to fan and heat

thanks.

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Bob

12-04-2013 16:33:54
64.255.159.192



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 Re: round coil conversion question for Bob in reply to INCase, 12-04-2013 11:16:17  
"I presume you drilled/tapped the dist cap contact and then simply screwed the wire post & adapter plate to the dist cap?"

Yes.

"On the alum plate over the metal distributor.. does the dist. have holes tapped or did you have to drill/tap them?"

I drilled and tapped holes.

"Have you seen the idea that grand valley tractors has posted on their website (click on "products" tab)."

Yes.



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