Its Academic

Jim Montgomery, USA, Montreal games,1976,49.99secs
Gold Gold Gold i think was the awesome 4some Moscow
4+100 relay freestyle I cheated on the 1st answer
but I was guessing on the second or they were called
the mean machine .OK Kev what year did the Chunnel
open and what did the English and French exchange
when they met half way under the Chunnel Clue it was
food and drinks and where did the 2 countries dispose
of their spoil from the Chunnel and why.Kev you are making
it harder so questions must be related to the English Channel.