36 co-op number 1

Bikecat47

New User
I have recently inherited several of my fathers antique tractors, among them is a 1936 CO-OP number 1. I am trying to find letter decals for the hood. Also the block has a crack in the water jacket on the outside of the block that has been welded at one time but is leaking again, looking for suggestions as to best way to repair it. The crack is about 6 inches long.
 
(quoted from post at 09:55:28 06/11/23) Can you post pictures of the crack?

Unfortunately I cannot at this time as I am not at my farm.
Next time I am there I will get pictures of the crack, but that will probably be next month.
If memory serves me the crack is approximately 6 inches in length on the side of the block opposite the manifold spanning across cylinders 2 and 3 in a slight arc, approximately halfway from top to bottom of water jacket.

This post was edited by Bikecat47 on 06/11/2023 at 02:18 pm.
 
Here are some pictures of my CO-OP number 1
mvphoto106601.jpg


mvphoto106602.jpg




This post was edited by Bikecat47 on 06/11/2023 at 04:14 pm.
 
I would solder the crack. Clean it real well and grind some if necessary. use Hi-Temp Hi-force 44 solder and copper bond flux, both available at Brownells.com.
it is relatively low temp at 650 F and works well.
 

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