[AT] Farmall distributors

[Cecil Bearden]

I have a couple of those old Sun distributor units.  They work great to 
test a distributor and adjust it after putting points in.   Rebuilding a 
distributor is not a big deal.  I started doing it when 3 remanufactured 
distributors I got at the parts house were worse than the one I had.  
Chuck the housing up in a lathe and run a reamer in it, then press a 
bushing in and ream the bushing.  The shaft will be worn, and either 
weld it up or now I use Belzona plastic steel to rebuild shafts.   
Belzona has several Utube videos.   I am about to rebuild the Cylinder 
rods on my digger truck with Belzona.

Cecil in OKla


On 12/16/2017 5:41 AM, Stephen Offiler wrote:
> I haven't used a Pertronix ignition myself, but they do have a good
> reputation (here on ATIS and elsewhere).  They have several products, most
> designed for newer equipment and performance/race applications.  Per their
> website, the original "Ignitor" is the one for old tractors, with some 6V
> pos or neg ground models available.
>
> http://www.pertronix.com/prod/ig/ignitor/default.aspx
>
> A magnet unit slides onto the distributor shaft under the rotor, and the
> points are replaced by a little black box containing a device that senses
> when the magnet goes by.  It will probably work pretty well even if the gap
> between the magnet and black box varies due to slop in the shaft.  Up to
> the point where the magnet physically contacts the black box, I suppose.
>
> It appears that you locate the correct kit by entering the model number of
> your distributor, or, you call them the old-fashioned way.
>
> I'm thinking about one of these for my JD440IC, but haven't pulled the
> trigger yet (just a round tuit thing).  When several months go by without
> firing it up, I always need to clean the points before it will run.
>
> SO
>
>
>
>
> On Sat, Dec 16, 2017 at 12:16 AM, Darrell Ratliff <dbigdog at columbus.rr.com>
> wrote:
>
>> They do have 6 volt Pertronix units but since the Pertronix uses the
>> distributor shaft I think the existing play in the shaft would give the
>> same problem
>>
>> From: John Hall
>> Sent: Friday, December 15, 2017 8:24 PM
>> To: Antique tractor email discussion group
>> Subject: Re: [AT] Farmall distributors
>>
>> Don't know anything about the conversion, do they work with 6 volt
>> systems? I've got a LOT of mechanical wear in these distributors.
>>
>> John
>>
>>
>> On 12/14/2017 9:50 PM, Mike M wrote:
>>> Would converting to the Pertronix system work in it's place?
>>>
>>> Mike M
>>>
>>>
>>> On 12/14/2017 7:59 PM, John Hall wrote:
>>>>      Got a couple Super A Farmalls with worn out distributors. I put a
>> set
>>>> of points in one last spring and it was almost impossible to get them
>>>> set as the shaft has a ton of slop in it. I see there are a few
>>>> aftermarket parts for these, so this must be a common problem. To be
>>>> honest, I have never had to do anything to a distributor other than tune
>>>> up items. I'm assuming there are some bushings, and maybe a shaft that
>>>> need replacing. Anything in particular I should really look for? Not
>>>> wanting to make them factory perfect as we don't use them enough to
>>>> warrant that extensive of repair. But if I can wind the clock back 30-40
>>>> years, well that's an acceptable amount of wear I can live with. Any
>>>> advice is appreciated, probably won't get into them until first of the
>> year.
>>>> John Hall
>>>>
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