I have a cracked block in my 20-85, as well. Used JB Weld on part of it, which seems to be working well. There was an old weld, which also was leaking, so my surprise, so I used a block sealer called Silver Seal "Heavy Duty Ironized Block SEal", $10.00 at the local machine shop. It seems to have stopped the leak, and I also had a pin hole in the block plug at the rear of the heat, from the sandblaster used when I had a valve job, I think. The stuff sealed the pin hole in a flash too...here's hoping... I used TSC paint on my Case, and found it took a long time to dry, and faded fast. I used Sherman Williams auto paint, with hardener, on the Ferguson, and it really did very well; dried to touch in an hour, and you had to work at making it run; it's damn near too shiny for a tractor, lol, but it is expensive, about $125/gallon w/o hardener and reducer. Regards, George H
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