Quote:
Originally Posted by thstone
... If you're lucky, maybe a spark plug tube o-ring leaked or failed due to the excess heat. ...
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Reading this reminded me of the engine in the $2,000 Boxster I bought a couple years ago. It had overheated in a similar situation, but had a lot of other minor issues as well. The only big issue I saw from the overheating was a couple spark plug tubes that were melted at the end. I bet that is the source of the oil leak if nothing more serious.
http://986forum.com/forums/507082-post26.html
A bigger danger that might not manifest immediately would be a cooked bearing on the crankshaft. Repeating the advice for future readers: No effective cooling means STOP the Car.