That is a sign that it didn't have correct anti freeze in it. Very vital=20 given the long water path from engine, to radiator and back.
Many are neglected because they are "Cheap cars". A lot don't survive a=20 gasket blow, because they are sod to get right again. Instead they=20 either get a =A350 Favorit or 136 Rapid engine in, or get scrapped, was=20 the same even then.
Shame they new nothing about anti-corrosion in in Czechoslovakia, after=20 it frozen in a 60's timewarp after the revolution, because the steel=20 they used was cheap, but very substantial, so it took for ever to rot=20 through but when it did it was terminal. Even the wax underseal they=20 used was no good because it trapped water that got in.
Shipping them over on whatever transport was arranged didn't help,=20 because they would be strapped to the deck of whaever=20 Czech/Russian/Polish ship that was making it's way toward Norfolk,=20 rather than being containered or hold stored, and would ahve to face the=20 full salty lash of all sorts of North Sea Storms.
--=20 "Sorry Sir, the meatballs are Orf" The poster formerly known as Skodapilot.