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The worst?
When you finally do get them out you find that over the decades corrosion has eaten away much of the threads in the block, like mine.
You might want to have a 1/4"NPT tap on hand before you try to take them out. If you're going to all this trouble, stop at the parts store and pick up two 1/4"NPT radiator drain petcocks to replace the plugs, which will be junk anyway after you get them out, then you can drain them without going through all this next time.....
Ed
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We used to own the government, now the government owns us. Where'd we go wrong?
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