The concept? To quote Wolfgang Pauli "It isn't even wrong." Let's just say it is an incomplete concept. And to echo Jim, if you didn't send for the PDF, don't ask me to explain it. :-)
Who could have guessed that some information would be so weird it would just head toward entropy, unarchived on the net? Not to worry, Frank, there are far more ponderable puzzles every day.
My buddy recently saved a '92 Tempo from the crushers, and is delighted. It was impeccably maintained except for paint, and just ran to BC and back.
