Radiator Overflow Pipe

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goxu1
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Radiator Overflow Pipe

Postby goxu1 » Thu Mar 31, 2022 4:11 pm

Is the radiator overflow pipe 5/16 OD steel pipe ?
Cripes - I thought I'd never get one.

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Don McCombs
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Re: Radiator Overflow Pipe

Postby Don McCombs » Thu Mar 31, 2022 4:51 pm

This is the brass overflow line on my 1978. I'm assuming(you know what that means), that everything previous is also brass.

IMG_0303 (Small).JPG
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Bill V in Md
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Re: Radiator Overflow Pipe

Postby Bill V in Md » Thu Mar 31, 2022 5:01 pm

Below is a link on how to fabricate a steel radiator overflow tube. 5/16” steel tubing was used (5/16” OD):
viewtopic.php?f=1&t=38056&p=310908&hilit=radiator+overflow+tubing#p310908
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Glen
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Re: Radiator Overflow Pipe

Postby Glen » Thu Mar 31, 2022 5:50 pm

Hi,
Below is a listing at TM Tractor for a new overflow pipe, if you need to see the shape of it.
The listing has several pics. :)

http://www.tmtractor.com/new/co/144fp.htm

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goxu1
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Re: Radiator Overflow Pipe

Postby goxu1 » Thu Mar 31, 2022 6:11 pm

Ok , Ive got a TM pipe and it seemed to be way off. Maybe I'll try and give a tweek and get it to work.
Looking at his photos , it seems like the fitting on the neck of the radiator has been removed and the pipe fitted straight into the neck ?
Would the original pipe have a swaged end to fit over the fitting on the neck ?
Should they be steel or copper ?
Cripes - I thought I'd never get one.

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Re: Radiator Overflow Pipe

Postby 69ranger » Thu Mar 31, 2022 6:54 pm

After reading about some suggested fixes that others had done, I decided to fix mine with a piece of 1/4 copper tubing. I flared the end with a tapered punch, and slipped it over the stub that was left from the original, and soldered in on.

The soft copper is easy to shape, and I used some pieces of thin metal to make clips to hold the finished produce.
Seems to be working really well.

Good luck with your project..

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Re: Radiator Overflow Pipe

Postby Bob McCarty » Thu Mar 31, 2022 6:58 pm

Paul, My thought is that the copper would be much easier to bend and function the same way. I don't know that your Cub would see the hours needed to work harden copper. Even if it did, there wouldn't be a safety problem like a leak from a copper gas line causing a fire.
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goxu1
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Re: Radiator Overflow Pipe

Postby goxu1 » Thu Mar 31, 2022 7:16 pm

ok , I'll give the copper a go.
Cripes - I thought I'd never get one.

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Don McCombs
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Re: Radiator Overflow Pipe

Postby Don McCombs » Thu Mar 31, 2022 8:25 pm

goxu1 wrote:Looking at his photos , it seems like the fitting on the neck of the radiator has been removed and the pipe fitted straight into the neck ?
Would the original pipe have a swaged end to fit over the fitting on the neck ?

There is no fitting. The overflow goes straight into the filler neck and is soldered in place.
Don McCombs
MD, Deep Creek Lake

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Re: Radiator Overflow Pipe

Postby Jim Becker » Thu Mar 31, 2022 9:08 pm

Don McCombs wrote:
goxu1 wrote:Looking at his photos , it seems like the fitting on the neck of the radiator has been removed and the pipe fitted straight into the neck ?
Would the original pipe have a swaged end to fit over the fitting on the neck ?

There is no fitting. The overflow goes straight into the filler neck and is soldered in place.

Yes. And as I recall the one I installed, there was a bit of extra length on the replacement tube. I checked the fit then trimmed off some to make a nice fit.

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Glen
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Re: Radiator Overflow Pipe

Postby Glen » Thu Mar 31, 2022 9:27 pm

Hi,
There is a clip at the bottom end of the overflow pipe, to hold the pipe in place.
The fan is close to the pipe.

Below is a listing at TM Tractor showing the clip, the pic shows where it goes. :)

http://www.tmtractor.com/new/co/129fp.htm

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goxu1
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Re: Radiator Overflow Pipe

Postby goxu1 » Fri Apr 01, 2022 4:51 am

Some difference between what you buy and what you get....

image0.jpeg
IMG_4058.JPG
Cripes - I thought I'd never get one.

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Don McCombs
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Posts: 17605
Joined: Mon Feb 03, 2003 6:45 am
Zip Code: 21550
Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: Radiator Overflow Pipe

Postby Don McCombs » Fri Apr 01, 2022 6:34 am

Over the course of production, there were two different filler neck heights. Perhaps TM's pipe is made for the longer height. If so, their product description should point that out.
Don McCombs
MD, Deep Creek Lake

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Bill V in Md
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Re: Radiator Overflow Pipe

Postby Bill V in Md » Fri Apr 01, 2022 7:16 am

Yeah, that is not a matter of trimming the ends to get a proper fit, because the bends are not going to fit your radiator. Also, maybe it is the photo, but some of those bends in the new tubing look like they have been flattened.
Bill VanHooser
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goxu1
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Location: Wilberforce NSW Australia

Re: Radiator Overflow Pipe

Postby goxu1 » Fri Apr 01, 2022 7:17 am

The bend angles look a couple of zip codes apart to me
Cripes - I thought I'd never get one.


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