Distributor

Farmall B & BN Tractors, 1939-1947
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Tractor Rod
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Distributor

Postby Tractor Rod » Thu Feb 04, 2021 7:31 am

:help:

My farmall B has a different looking type of distributor with four screws holding the cap onto the unit. Are the points inside of that and can a new cap be ordered? I ordered in a tuneup kit and a black standard cap was included which is not the right item. Any advice on where to order the right kit?This is my first experience with a tuneup on my great B! Thanks, Rod

Gary Dotson
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Re: Distributor

Postby Gary Dotson » Thu Feb 04, 2021 8:14 am

You'll have to get tune-up parts for a Delco distributor. What you have is an aftermarket conversion from mag - battery ignition. You might post a pic. so we can be sure but if its the one I think it is, parts for a Ferguson 35, and quite a few others, will fit. Parts are also common to 60's 4 cyl. GM cars.

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Re: Distributor

Postby Eugene » Thu Feb 04, 2021 8:26 am

You need to identify the make of the distributor. ID information should be imprinted some place on the distributor body or an attached tag. Once you have that information you will/should be able to obtain parts.

The points are under the distributor cap. In most cases the condensor is located under the distributor cap. The condensor can be located out side the distributor cap, attached to the ignition coil.
I have an excuse. CRS.

Tractor Rod
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Re: Distributor

Postby Tractor Rod » Thu Feb 04, 2021 8:47 am

Thanks to all for your help. I now know what to order.

Jim Becker
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Re: Distributor

Postby Jim Becker » Thu Feb 04, 2021 10:46 am

Most Delco distributors I'm familiar with have caps held by either 2 clips or 2 screws. I haven't seen one with 4 screws. I have seen magnetos (non-IH) with 4 screws holding the cap. I am curious what this tractor really has. As Gary suggested, posting a picture might help with a ID. If course, of it has an attached tag, it should give the answer.

Gary Dotson
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53 Cockshutt 20 restored (Shooter)
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Re: Distributor

Postby Gary Dotson » Fri Feb 05, 2021 8:50 am

I think you're right, Jim, they just look like there could be 4 of them. The one I was thinking of would be like those on your Corvairs. It could be a Fairbanks Morse mag. Please post a pic, I'm real curious, now!

indy61
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Re: Distributor

Postby indy61 » Fri Feb 05, 2021 9:48 am

I think some came with a WICO magneto from the factory. I don't know if it was an option or a shortage of IH magnetos.

https://brillman.com/product/wico-x-ser ... gneto-cap/

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Re: Distributor

Postby Jim Becker » Fri Feb 05, 2021 12:02 pm

Gary Dotson wrote:I think you're right, Jim, they just look like there could be 4 of them. The one I was thinking of would be like those on your Corvairs. It could be a Fairbanks Morse mag.

The 2 blank spots on the Delco caps cover the 2 screws that hold the breaker plate. Thus the body of the distributor has 4 equally spaced screw holes. Versions of that distributor were common on Chevy 6-cylinder engines from '62 on for quite a while. I don't know if they were used in other GM lines. I think the early Chevy II and the Vega used 4-cylinder variants of it as well.

indy61 wrote:I think some came with a WICO magneto from the factory. I don't know if it was an option or a shortage of IH magnetos.

I don't think any were installed at the factory. They may have been supplied as replacement units after IH quit building magnetos.


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