I'm looking for a radiator drain valve for my new project. Its a 1988 F250 7.3L IDI XL, the valve is not like any other I've seen before. I tried to see if the one off my old 1989 would work, and its totally different, more of a common type. The valve is cast into the radiator body with a tapper to it, and the plug that inserts has a tapper [reverse thread] I went to flush to rad and it snapped in half, I think the previous owner didn't know it was a reverse thread and tightened it way too much. If anyone knows where to get one I'll pay good money plus shipping, to save the cost of getting the radiator machined for a new drain.

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