As a public service announcement - I want to post on my experience this weekend with the JB Weld product called Waterweld on my 1939 9N I recently aquired. I will eventually do a more permenant repair on the areas I tested, but it will be a few months before this happened and I needed to winterproof the tractor before then.It comes in a roll like a big tootsie roll, and you cut off a chunk the size you need for the repair. You knead the cut off section of the roll together to mix the outside hardener with the inner steel epoxy. I used it to seal up an oil pan crack that was seeping oil, a radiator leak that was damaged from a failed water pump, and a crack in the back of the block that leaks water when running. I cleaned the oil pan with brake cleaner, then cut off a piece of Waterweld the size that would cover the 6" long crack and kneaded the roll as directed. I pressed the epoxy onto the crack area and pressed well. Within 20 minutes the putty was as hard as a brick. On the radiator, I just crammed the putty into the area that was leaking and it set up within twenty minutes as well - this was with the hole still leaking radiator water. The crack in the block was cleaned with brake cleaner and applied after the engine was already hot and set up in less than 5 minutes. After running the engine for 30 minutes, there were no leaks on any of the repairs. It is thicker and the repair sticks out more than the regular JB Weld, but for a quick temporary fix it gets two thumbs up. It was everything I expected in a product made by JB Weld, and a new tool that will stay in my toolbox. HTH,
Dan
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