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To support the Bill(tx) comments. A friend of mine had to fix a block crack
between cylinders of a TO-20 Continental engine. I tried to help by looking around here (in
Colorado) and found that the tractor wrecking yards were unanimous in saying "you won't find
a single block for THAT engine anywhere, because
they always crack between the cylinders and all
of the used blocks are long-since gone". So, the crack was brazed, and then the cylinder
bore re-machined to fit the new liners that
were replaced. In my view, the problem w/TO-20s? - if the block cracks (and there is a good chance it will sometime), if the block is not repairable, then your tractor is a complete loss. Like the 8Ns, the block is part of the chassis, and you can't just "jury-rig" a foreign block in. - Fords (on the other hand) are ubiquitous and do not suffer this fundamental flaw. - I'm not going to argue that there are better tractors than the 8N (there are), but, If you are going to go non-Ford, this is not the right non-Ford to pick.
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